Summary statistics for nhamcsed2011 dataset : by Jean Roth , jroth@nber.org , 28 Mar 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- vmonth | 31,084 6.507882 3.38181 1 12 vdayr | 31,084 3.95406 2.000035 1 7 age | 31,084 37.43756 23.82646 0 93 arrtime | 0 waittime | 31,084 43.8081 79.32674 -9 1440 -------------+--------------------------------------------------------- lov | 31,084 205.4018 253.7642 -9 5411 residnce | 31,084 .7463647 1.808287 -9 4 sex | 31,084 1.456698 .4981294 1 2 ethun | 31,084 .0886308 4.01439 -9 2 raceun | 31,084 .0462296 3.545144 -9 6 -------------+--------------------------------------------------------- arrems | 31,084 1.285838 2.34218 -9 2 paypriv | 31,084 .3510166 .4772958 0 1 paymcare | 31,084 .1835993 .3871633 0 1 paymcaid | 31,084 .3260842 .468786 0 1 paywkcmp | 31,084 .0109703 .1041647 0 1 -------------+--------------------------------------------------------- payself | 31,084 .1687042 .3744964 0 1 paynochg | 31,084 .0237743 .1523477 0 1 payoth | 31,084 .040664 .1975138 0 1 paydk | 31,084 .0462617 .2100548 0 1 paytyper | 31,084 1.992826 3.027958 -9 7 -------------+--------------------------------------------------------- tempf | 31,084 933.9693 214.1856 -9 1080 pulse | 31,084 85.78436 32.00439 -9 200 respr | 31,084 18.1043 8.164615 -9 150 bpsys | 31,084 117.0728 50.14034 -9 287 bpdias | 31,084 68.20084 33.98607 -9 998 -------------+--------------------------------------------------------- popct | 31,084 85.25836 34.35183 -9 100 ono2 | 31,084 -.0210398 4.086603 -9 2 gcs | 31,084 -1.794299 10.94521 -9 15 immedr | 31,084 3.486488 1.004115 1 7 painscale | 31,084 1.787125 6.342487 -9 10 -------------+--------------------------------------------------------- seen72 | 31,084 .2856775 3.731641 -9 2 disch7da | 31,084 -2.139943 4.915767 -9 2 pastvis | 31,084 -1.857547 5.132041 -9 23 rfv1 | 31,084 22638.2 15912.04 -9 89990 rfv2 | 31,084 10885.77 15015.17 -9 89980 -------------+--------------------------------------------------------- rfv3 | 31,084 4721.564 11142.19 -9 89980 rfv13d | 31,084 2263.765 1591.224 0 8999 rfv23d | 31,084 1088.988 1501.188 0 8998 rfv33d | 31,084 472.8428 1113.911 0 8998 episode | 31,084 .1622056 2.772168 -9 2 -------------+--------------------------------------------------------- injury | 31,084 .3402715 .473808 0 1 intent | 31,084 -4.065564 4.557936 -8 3 cause1 | 0 cause2 | 0 cause3 | 0 -------------+--------------------------------------------------------- cause13d | 0 cause23d | 0 cause33d | 0 diag1 | 0 diag2 | 0 -------------+--------------------------------------------------------- diag3 | 0 diag13d | 0 diag23d | 0 diag33d | 0 prdiag1 | 31,084 -.0155064 .4054818 -7 1 -------------+--------------------------------------------------------- prdiag2 | 31,084 -3.660661 3.511168 -7 1 prdiag3 | 31,084 -5.657187 2.763036 -7 1 cebvd | 31,084 .0297581 .1699219 0 1 chf | 31,084 .0313988 .1743958 0 1 eddial | 31,084 .0099086 .0990493 0 1 -------------+--------------------------------------------------------- edhiv | 31,084 .0045039 .0669611 0 1 diabetes | 31,084 .0869257 .2817308 0 1 nochron | 31,084 .9302857 .4411049 0 2 diagscrn | 31,084 .7269013 .476473 0 2 cbc | 31,084 .3820937 .4859071 0 1 -------------+--------------------------------------------------------- buncreat | 31,084 .2641552 .4408894 0 1 cardenz | 31,084 .1492408 .3563314 0 1 electrol | 31,084 .2333676 .422981 0 1 glucose | 31,084 .2500322 .4330382 0 1 lft | 31,084 .1029147 .3038523 0 1 -------------+--------------------------------------------------------- abg | 31,084 .0413074 .1990035 0 1 pttinr | 31,084 .0894029 .285329 0 1 bloodcx | 31,084 .0383799 .1921147 0 1 bac | 31,084 .024482 .1545427 0 1 otherbld | 31,084 .2179256 .4128432 0 1 -------------+--------------------------------------------------------- cardmon | 31,084 .0925235 .2897682 0 1 ekg | 31,084 .1910951 .3931701 0 1 hivtest | 31,084 .0044396 .0664832 0 1 flutest | 31,084 .0168575 .1287397 0 1 pregtest | 31,084 .0695213 .2543426 0 1 -------------+--------------------------------------------------------- toxscren | 31,084 .0420152 .200627 0 1 urine | 31,084 .2585896 .4378666 0 1 woundcx | 31,084 .00978 .0984104 0 1 othrtest | 31,084 .1605327 .3671053 0 1 anyimage | 31,084 .4607837 .4984677 0 1 -------------+--------------------------------------------------------- xray | 31,084 .3432634 .4748062 0 1 catscan | 31,084 .153423 .3604005 0 1 cthead | 31,084 .0765346 .2658558 0 1 ctnhead | 31,084 .0826149 .2753036 0 1 ctunk | 31,084 .0086218 .092454 0 1 -------------+--------------------------------------------------------- mri | 31,084 .0069167 .0828802 0 1 ultrasnd | 31,084 .0396024 .1950263 0 1 othimage | 31,084 .0097156 .0980894 0 1 totdiag | 31,084 3.077661 3.932425 -9 19 proc | 31,084 .5468086 .572535 0 2 -------------+--------------------------------------------------------- ivfluids | 31,084 .2831038 .4505137 0 1 cast | 31,084 .0034423 .0585709 0 1 splint | 31,084 .0565243 .230935 0 1 suture | 31,084 .032943 .1784903 0 1 incdrain | 31,084 .0119354 .1085971 0 1 -------------+--------------------------------------------------------- fbrem | 31,084 .0042144 .0647824 0 1 nebuther | 31,084 .0312701 .1740496 0 1 bladcath | 31,084 .0206215 .142116 0 1 pelvic | 31,084 .0209754 .1433043 0 1 centline | 31,084 .0014155 .0375974 0 1 -------------+--------------------------------------------------------- cpr | 31,084 .0011903 .0344811 0 1 endoint | 31,084 .002445 .0493871 0 1 othproc | 31,084 .0865719 .2812112 0 1 totproc | 31,084 .1967572 1.993883 -9 8 med | 31,084 .8329044 .4147998 0 2 -------------+--------------------------------------------------------- med1 | 31,084 31039.76 35027.17 -9 99999 med2 | 31,084 21985.53 32897.08 -9 99999 med3 | 31,084 13684.27 28279.17 -9 99999 med4 | 31,084 7789.985 22404.44 -9 99999 med5 | 31,084 4407.53 17353.11 -9 99999 -------------+--------------------------------------------------------- med6 | 31,084 2588.831 13568.53 -9 99999 med7 | 31,084 1489.273 10427.64 -9 99189 med8 | 31,084 759.167 7433.006 -9 99999 gpmed1 | 31,084 -.2328529 3.590922 -9 3 gpmed2 | 31,084 -2.365976 4.293868 -9 3 -------------+--------------------------------------------------------- gpmed3 | 31,084 -4.206248 4.006802 -9 3 gpmed4 | 31,084 -5.407605 3.322811 -9 3 gpmed5 | 31,084 -6.109445 2.606813 -9 3 gpmed6 | 31,084 -6.494177 2.013434 -9 3 gpmed7 | 31,084 -6.710687 1.543722 -9 3 -------------+--------------------------------------------------------- gpmed8 | 31,084 -6.839435 1.157005 -9 3 numgiv | 31,084 1.42649 1.67396 0 8 numdis | 31,084 .8621156 1.113526 0 8 nummed | 31,084 2.108609 1.860939 0 8 noprovid | 31,084 .0083323 .0909016 0 1 -------------+--------------------------------------------------------- attphys | 31,084 .880839 .3239831 0 1 resint | 31,084 .1147536 .3187294 0 1 consult | 31,084 .0731244 .2603448 0 1 rnlpn | 31,084 .9107579 .2850974 0 1 nursepr | 31,084 .0556878 .2293215 0 1 -------------+--------------------------------------------------------- physasst | 31,084 .113885 .3176766 0 1 emt | 31,084 .0807489 .2724535 0 1 mhprov | 31,084 .0208789 .1429812 0 1 othprov | 31,084 .259233 .4382208 0 1 nodisp | 31,084 .0054047 .073319 0 1 -------------+--------------------------------------------------------- nofu | 31,084 .0502831 .218532 0 1 retprn | 31,084 .3482821 .4764336 0 1 retreffu | 31,084 .6592137 .4739812 0 1 leftbtri | 31,084 .0043752 .0660018 0 1 leftatri | 31,084 .0138978 .1170689 0 1 -------------+--------------------------------------------------------- leftama | 31,084 .0109703 .1041647 0 1 doa | 31,084 .0002895 .0170136 0 1 dieded | 31,084 .0014155 .0375974 0 1 trannh | 31,084 .0032171 .056629 0 1 tranpsyc | 31,084 .006209 .0785534 0 1 -------------+--------------------------------------------------------- tranoth | 31,084 .015442 .1233047 0 1 admithos | 31,084 .1248231 .3305235 0 1 obshos | 31,084 .0095548 .0972819 0 1 obsdis | 31,084 .0192382 .1373634 0 1 othdisp | 31,084 .0105199 .1020272 0 1 -------------+--------------------------------------------------------- admit | 31,084 -5.796616 3.613756 -9 6 admtphys | 31,084 -5.976805 2.867312 -9 3 boarded | 31,084 4.198237 74.59416 -9 3910 los | 31,084 -5.601306 4.400896 -9 96 hddiag | 0 -------------+--------------------------------------------------------- hdstat | 31,084 -6.087344 2.567631 -9 2 adisp | 31,084 -6.09529 2.61023 -9 4 obsstay | 31,084 9.598765 179.1718 -9 4317 patwt | 31,084 4384.777 3684.706 38 18888 region | 31,084 2.56032 1.055911 1 4 -------------+--------------------------------------------------------- msa | 31,084 1.131965 .3384582 1 2 owner | 31,084 1.35581 .6256931 1 3 blank1 | 0 blank2 | 0 blank3 | 0 -------------+--------------------------------------------------------- hospcode | 31,084 151.8825 90.8438 1 307 patcode | 31,084 55.44254 36.51478 1 260 bdatefl | 31,084 .0030562 .0551996 0 1 sexfl | 31,084 .0054369 .0735357 0 1 ethnicfl | 31,084 .1623343 .3687632 0 1 -------------+--------------------------------------------------------- racerfl | 31,084 .1285871 .3347477 0 1 immedrfl | 31,084 .1961138 .397062 0 1 blank4 | 0 drugid1 | 0 prescr1 | 24,868 2.144563 1.784971 1 5 -------------+--------------------------------------------------------- contsub1 | 24,868 5.398303 1.375258 2 8 comstat1 | 24,868 1.181277 .4075731 1 3 rx1cat1 | 0 rx1cat2 | 0 rx1cat3 | 0 -------------+--------------------------------------------------------- rx1cat4 | 0 rx1v1c1 | 0 rx1v1c2 | 0 rx1v1c3 | 0 rx1v1c4 | 0 -------------+--------------------------------------------------------- rx1v2c1 | 0 rx1v2c2 | 0 rx1v2c3 | 0 rx1v2c4 | 0 rx1v3c1 | 0 -------------+--------------------------------------------------------- rx1v3c2 | 0 rx1v3c3 | 0 rx1v3c4 | 0 drugid2 | 0 prescr2 | 17,177 2.051581 1.733366 1 5 -------------+--------------------------------------------------------- contsub2 | 17,177 5.431449 1.347502 2 8 comstat2 | 17,177 1.167026 .3970521 1 3 rx2cat1 | 0 rx2cat2 | 0 rx2cat3 | 0 -------------+--------------------------------------------------------- rx2cat4 | 0 rx2v1c1 | 0 rx2v1c2 | 0 rx2v1c3 | 0 rx2v1c4 | 0 -------------+--------------------------------------------------------- rx2v2c1 | 0 rx2v2c2 | 0 rx2v2c3 | 0 rx2v2c4 | 0 rx2v3c1 | 0 -------------+--------------------------------------------------------- rx2v3c2 | 0 rx2v3c3 | 0 rx2v3c4 | 0 drugid3 | 0 prescr3 | 10,474 1.980714 1.691473 1 5 -------------+--------------------------------------------------------- contsub3 | 10,474 5.41455 1.362356 2 8 comstat3 | 10,474 1.16603 .4015003 1 3 rx3cat1 | 0 rx3cat2 | 0 rx3cat3 | 0 -------------+--------------------------------------------------------- rx3cat4 | 0 rx3v1c1 | 0 rx3v1c2 | 0 rx3v1c3 | 0 rx3v1c4 | 0 -------------+--------------------------------------------------------- rx3v2c1 | 0 rx3v2c2 | 0 rx3v2c3 | 0 rx3v2c4 | 0 rx3v3c1 | 0 -------------+--------------------------------------------------------- rx3v3c2 | 0 rx3v3c3 | 0 rx3v3c4 | 0 drugid4 | 0 prescr4 | 6,025 1.973278 1.683581 1 5 -------------+--------------------------------------------------------- contsub4 | 6,025 5.413278 1.368696 2 8 comstat4 | 6,025 1.167303 .4015571 1 3 rx4cat1 | 0 rx4cat2 | 0 rx4cat3 | 0 -------------+--------------------------------------------------------- rx4cat4 | 0 rx4v1c1 | 0 rx4v1c2 | 0 rx4v1c3 | 0 rx4v1c4 | 0 -------------+--------------------------------------------------------- rx4v2c1 | 0 rx4v2c2 | 0 rx4v2c3 | 0 rx4v2c4 | 0 rx4v3c1 | 0 -------------+--------------------------------------------------------- rx4v3c2 | 0 rx4v3c3 | 0 rx4v3c4 | 0 drugid5 | 0 prescr5 | 3,368 1.946556 1.668412 1 5 -------------+--------------------------------------------------------- contsub5 | 3,368 5.429335 1.355141 2 8 comstat5 | 3,368 1.152019 .3869593 1 3 rx5cat1 | 0 rx5cat2 | 0 rx5cat3 | 0 -------------+--------------------------------------------------------- rx5cat4 | 0 rx5v1c1 | 0 rx5v1c2 | 0 rx5v1c3 | 0 rx5v1c4 | 0 -------------+--------------------------------------------------------- rx5v2c1 | 0 rx5v2c2 | 0 rx5v2c3 | 0 rx5v2c4 | 0 rx5v3c1 | 0 -------------+--------------------------------------------------------- rx5v3c2 | 0 rx5v3c3 | 0 rx5v3c4 | 0 drugid6 | 0 prescr6 | 1,924 1.968815 1.68072 1 5 -------------+--------------------------------------------------------- contsub6 | 1,924 5.449584 1.306034 2 8 comstat6 | 1,924 1.147089 .3756594 1 3 rx6cat1 | 0 rx6cat2 | 0 rx6cat3 | 0 -------------+--------------------------------------------------------- rx6cat4 | 0 rx6v1c1 | 0 rx6v1c2 | 0 rx6v1c3 | 0 rx6v1c4 | 0 -------------+--------------------------------------------------------- rx6v2c1 | 0 rx6v2c2 | 0 rx6v2c3 | 0 rx6v2c4 | 0 rx6v3c1 | 0 -------------+--------------------------------------------------------- rx6v3c2 | 0 rx6v3c3 | 0 rx6v3c4 | 0 drugid7 | 0 prescr7 | 1,095 1.86758 1.613415 1 5 -------------+--------------------------------------------------------- contsub7 | 1,095 5.431963 1.311837 2 8 comstat7 | 1,095 1.147945 .3752304 1 3 rx7cat1 | 0 rx7cat2 | 0 rx7cat3 | 0 -------------+--------------------------------------------------------- rx7cat4 | 0 rx7v1c1 | 0 rx7v1c2 | 0 rx7v1c3 | 0 rx7v1c4 | 0 -------------+--------------------------------------------------------- rx7v2c1 | 0 rx7v2c2 | 0 rx7v2c3 | 0 rx7v2c4 | 0 rx7v3c1 | 0 -------------+--------------------------------------------------------- rx7v3c2 | 0 rx7v3c3 | 0 rx7v3c4 | 0 drugid8 | 0 prescr8 | 613 1.991843 1.698211 1 5 -------------+--------------------------------------------------------- contsub8 | 613 5.615008 1.125421 2 8 comstat8 | 613 1.112561 .3264817 1 3 rx8cat1 | 0 rx8cat2 | 0 rx8cat3 | 0 -------------+--------------------------------------------------------- rx8cat4 | 0 rx8v1c1 | 0 rx8v1c2 | 0 rx8v1c3 | 0 rx8v1c4 | 0 -------------+--------------------------------------------------------- rx8v2c1 | 0 rx8v2c2 | 0 rx8v2c3 | 0 rx8v2c4 | 0 rx8v3c1 | 0 -------------+--------------------------------------------------------- rx8v3c2 | 0 rx8v3c3 | 0 rx8v3c4 | 0 ebillanye | 31,084 -9 0 -9 -9 einselige | 31,084 -9 0 -9 -9 -------------+--------------------------------------------------------- emred | 31,084 -9 0 -9 -9 ehrinse | 31,084 -9 0 -9 -9 edemoge | 31,084 -9 0 -9 -9 eprolste | 31,084 -9 0 -9 -9 epnotese | 31,084 -9 0 -9 -9 -------------+--------------------------------------------------------- emedalge | 31,084 -9 0 -9 -9 ecpoee | 31,084 -9 0 -9 -9 escripe | 31,084 -9 0 -9 -9 ewarne | 31,084 -9 0 -9 -9 ereminde | 31,084 -9 0 -9 -9 -------------+--------------------------------------------------------- ectoee | 31,084 -9 0 -9 -9 eordere | 31,084 -9 0 -9 -9 esetse | 31,084 -9 0 -9 -9 eresulte | 31,084 -9 0 -9 -9 eresehre | 31,084 -9 0 -9 -9 -------------+--------------------------------------------------------- eimgrese | 31,084 -9 0 -9 -9 eqoce | 31,084 -9 0 -9 -9 eimmrege | 31,084 -9 0 -9 -9 epubhlthe | 31,084 -9 0 -9 -9 enotdise | 31,084 -9 0 -9 -9 -------------+--------------------------------------------------------- esume | 31,084 -9 0 -9 -9 emsge | 31,084 -9 0 -9 -9 ewhoprace | 31,084 -9 0 -9 -9 ewhoothe | 31,084 -9 0 -9 -9 ewhonote | 31,084 -9 0 -9 -9 -------------+--------------------------------------------------------- ewhounke | 31,084 -9 0 -9 -9 ewhopracer | 31,084 -9 0 -9 -9 ewhoother | 31,084 -9 0 -9 -9 ewhonoter | 31,084 -9 0 -9 -9 ewhounker | 31,084 -9 0 -9 -9 -------------+--------------------------------------------------------- exchsume | 31,084 -9 0 -9 -9 exchsum1e | 31,084 -9 0 -9 -9 exchsum2e | 31,084 -9 0 -9 -9 exchsum3e | 31,084 -9 0 -9 -9 exchsum4e | 31,084 -9 0 -9 -9 -------------+--------------------------------------------------------- exchsum5e | 31,084 -9 0 -9 -9 exchsum6e | 31,084 -9 0 -9 -9 payhith | 31,084 -9 0 -9 -9 payyrh | 31,084 -9 0 -9 -9 incshx | 31,084 1.412624 1.758272 -8 2 -------------+--------------------------------------------------------- incphys | 31,084 1.640233 1.264872 -8 2 expspace | 31,084 .6133381 3.101329 -8 2 surgday | 31,084 4.064792 3.443093 -8 7 bedczar | 31,084 .7829108 1.933963 -8 2 beddata | 31,084 .9782203 2.429896 -9 6 -------------+--------------------------------------------------------- hlist | 31,084 1.019689 1.119274 -8 2 hlisted | 31,084 -.380646 3.12037 -9 2 obsunits | 31,084 1.340078 1.973802 -8 2 obsdecmd | 31,084 -4.434918 4.768634 -9 8 board | 31,084 .9325376 1.55409 -8 2 -------------+--------------------------------------------------------- boardhos | 31,084 1.430254 1.824506 -8 2 ambdiv | 31,084 .5569746 2.871964 -9 2 tothrdivr | 31,084 -2.117585 5.354875 -9 5 regdiv | 31,084 -3.495786 4.230279 -9 2 admdiv | 31,084 -3.732177 4.091785 -9 2 -------------+--------------------------------------------------------- bedreg | 31,084 .9448913 1.267576 -8 2 catriage | 31,084 .8779115 1.902978 -8 2 fasttrak | 31,084 1.137724 1.539007 -8 2 edptor | 31,084 1.477352 2.037791 -8 2 dashbord | 31,084 1.020332 1.332132 -8 2 -------------+--------------------------------------------------------- rfid | 31,084 1.208242 2.393201 -9 2 zonenurs | 31,084 .8821902 1.93828 -8 2 poolnurs | 31,084 1.014155 2.074861 -8 2 fullcap | 31,084 .9883541 2.353474 -8 2 ethim | 31,084 1.854491 .3526189 1 2 -------------+--------------------------------------------------------- racer | 31,084 1.332583 .5730648 1 3 racereth | 31,084 1.644158 .888882 1 4 agedays | 31,084 -2.173851 34.39886 -7 364 ager | 31,084 3.097027 1.460758 1 6 cause1r | 31,084 2533.796 4016.444 -9 9990 -------------+--------------------------------------------------------- cause2r | 31,084 591.7695 2170.716 -9 9890 cause3r | 31,084 46.27252 671.4475 -9 9673 intentr | 31,084 -4.68064 3.963027 -9 6 diag1r | 31,084 166556.9 25191.2 -9 209980 diag2r | 31,084 77788.33 83786.11 -9 209970 -------------+--------------------------------------------------------- diag3r | 31,084 31051.06 65035.08 -9 209930 hddiagr | 31,084 17687.21 50220.57 -9 209980 whocomp | 31,084 1.729057 1.266986 -9 5 settype | 31,084 3 0 3 3 year | 31,084 2011 0 2011 2011 -------------+--------------------------------------------------------- cstratm | 31,084 3.10e+07 9971200 2.01e+07 4.04e+07 cpsum | 31,084 46489.81 49933.86 5 100305 edwt | 31,084 .1455411 2.084281 0 64 blank5 | 0 blank6 | 0 -------------+--------------------------------------------------------- blank7 | 0 blank8 | 0 injr1 | 31,084 .281431 .4497044 0 1 injr2 | 31,084 .2918865 .4546377 0 1 advcomp1 | 31,084 .0210719 .1436265 0 1 -------------+--------------------------------------------------------- advcomp2 | 31,084 .0246751 .1551354 0 1 by Jean Roth , jroth@nber.org , 28 Mar 2016