Summary statistics for nhamcsed1993 dataset : by Jean Roth , jroth@nber.org , 28 Mar 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- vmonth | 29,117 6.393241 3.473426 1 12 vday | 29,117 15.65536 8.77024 1 31 vyear | 29,117 92.98781 .109745 92 93 age | 29,117 33.39678 23.97049 0 99 sex | 29,117 1.47759 .4995061 1 2 -------------+--------------------------------------------------------- race | 29,117 1.288869 .5261836 1 4 ethnic | 29,117 1.875434 .3302323 1 2 privins | 29,117 .3453653 .4754954 0 1 medicare | 29,117 .1548236 .3617427 0 1 medicaid | 29,117 .2331628 .4228523 0 1 -------------+--------------------------------------------------------- othgovt | 29,117 .0352028 .1842952 0 1 hmo | 29,117 .0893636 .2852728 0 1 selfpay | 29,117 .1491912 .356283 0 1 nocharge | 29,117 .0074527 .0860082 0 1 othpay | 29,117 .0648075 .2461901 0 1 -------------+--------------------------------------------------------- unkpay | 29,117 .0217399 .1458355 0 1 place | 29,117 6.656695 3.131842 1 9 cause1 | 29,117 82862.18 4182.552 80000 89890 cause2 | 29,117 80057.33 670.7605 80000 89990 cause3 | 29,117 80000.69 71.0808 80000 88609 -------------+--------------------------------------------------------- cause13d | 29,117 8286.036 418.0992 8000 8989 cause23d | 29,117 8005.471 67.06599 8000 8999 cause33d | 29,117 8000.064 7.102949 8000 8860 rfv1 | 29,117 25100.7 18358.41 10050 90000 rfv2 | 29,117 62281.43 35106.32 10050 90000 -------------+--------------------------------------------------------- rfv3 | 29,117 80735.69 24313.35 10050 90000 rfv13d | 29,117 2510.017 1835.868 1005 9000 rfv23d | 29,117 6228.121 3510.662 1005 9000 rfv33d | 29,117 8073.563 2431.352 1005 9000 diag1 | 29,117 173590.4 73683.05 100390 900000 -------------+--------------------------------------------------------- diag2 | 29,117 661938 344781.9 100490 900000 diag3 | 29,117 844385.9 195109.6 100500 900000 diag13d | 29,117 1735.515 736.8989 1003 9000 diag23d | 29,117 6619.24 3448.024 1004 9000 diag33d | 29,117 8443.826 1951.212 1005 9000 -------------+--------------------------------------------------------- urgent | 29,117 1.536697 .4986601 1 2 alcdrug | 29,117 1.504001 1.269913 1 5 med | 29,117 1.266545 .4421602 1 2 nummed | 29,117 1.492668 1.367589 0 5 med1 | 0 -------------+--------------------------------------------------------- med2 | 0 med3 | 0 med4 | 0 med5 | 0 nodiagsc | 29,117 .1356252 .3423961 0 1 -------------+--------------------------------------------------------- blodpres | 29,117 .7433458 .4367944 0 1 urine | 29,117 .163238 .369589 0 1 hivser | 29,117 .0044304 .0664148 0 1 ekg | 29,117 .1293746 .3356198 0 1 chestxry | 29,117 .1682179 .3740661 0 1 -------------+--------------------------------------------------------- extrxray | 29,117 .1374111 .3442868 0 1 othimag | 29,117 .1270048 .3329841 0 1 diagsc1 | 0 diagsc13 | 0 diagsc12 | 0 -------------+--------------------------------------------------------- diagsc2 | 0 diagsc23 | 0 diagsc22 | 0 diagsc3 | 0 diagsc33 | 0 -------------+--------------------------------------------------------- diagsc32 | 0 procnone | 29,117 .574338 .4944515 0 1 endoint | 29,117 .0042587 .0651206 0 1 cpr | 29,117 .0027819 .052671 0 1 ivfluids | 29,117 .1527286 .3597319 0 1 -------------+--------------------------------------------------------- ngtube | 29,117 .0084143 .0913445 0 1 wound | 29,117 .124223 .3298414 0 1 eyeent | 29,117 .029536 .1693063 0 1 orthoped | 29,117 .0848302 .2786336 0 1 bladcath | 29,117 .02514 .1565528 0 1 -------------+--------------------------------------------------------- lumbpunc | 29,117 .003194 .0564262 0 1 proc1 | 0 proc13d | 0 proc12d | 0 proc2 | 0 -------------+--------------------------------------------------------- proc23d | 0 proc22d | 0 proc3 | 0 proc33d | 0 proc32d | 0 -------------+--------------------------------------------------------- nofollow | 29,117 .0777553 .2677907 0 1 edprn | 29,117 .247759 .4317185 0 1 edappt | 29,117 .0495587 .2170351 0 1 refphys | 29,117 .230793 .4213475 0 1 refothph | 29,117 .3684102 .4823817 0 1 -------------+--------------------------------------------------------- admithos | 29,117 .1375485 .3444314 0 1 transfer | 29,117 .0165882 .1277249 0 1 doa | 29,117 .0026788 .0516891 0 1 otherdis | 29,117 .0371604 .189158 0 1 resint | 29,117 .1603531 .3669395 0 1 -------------+--------------------------------------------------------- staffphy | 29,117 .8325033 .3734251 0 1 otherphy | 29,117 .0964729 .2952437 0 1 physasst | 29,117 .0394958 .1947748 0 1 rn | 29,117 .8363499 .3699641 0 1 lpn | 29,117 .0666277 .2493805 0 1 -------------+--------------------------------------------------------- nursaid | 29,117 .0852423 .2792467 0 1 otherprv | 29,117 .0983961 .2978546 0 1 patwt | 29,117 3100.112 2499.947 104 20373 region | 29,117 2.429302 1.059984 1 4 msa | 29,117 1.136243 .3430528 1 2 -------------+--------------------------------------------------------- ownsmg | 29,117 1.450802 .7592624 1 3 hospcode | 29,117 195.6469 114.2335 1 394 bdatefl | 29,117 .0137033 .1162584 0 1 sexfl | 29,117 .0024041 .0489734 0 1 racefl | 29,117 .0937597 .2914991 0 1 -------------+--------------------------------------------------------- ethnicfl | 29,117 .1708624 .3763951 0 1 urgentfl | 29,117 .0386716 .1928143 0 1 alcfl | 29,117 .0571144 .2320651 0 1 dispfl | 29,117 .0118831 .1083618 0 1 provfl | 29,117 .0104063 .1014808 0 1 -------------+--------------------------------------------------------- gen1 | 0 prescr1 | 21,356 1.439361 .7111012 1 3 contsub1 | 21,356 5.682338 1.068547 2 7 comstat1 | 21,356 1.245692 .5273087 1 3 drugcl1 | 0 -------------+--------------------------------------------------------- drg1ing1 | 0 drg1ing2 | 0 drg1ing3 | 0 drg1ing4 | 0 drg1ing5 | 0 -------------+--------------------------------------------------------- gen2 | 0 prescr2 | 12,008 1.406312 .6748712 1 3 contsub2 | 12,008 5.718521 1.003641 2 7 comstat2 | 12,008 1.270819 .5484212 1 3 drugcl2 | 0 -------------+--------------------------------------------------------- drg2ing1 | 0 drg2ing2 | 0 drg2ing3 | 0 drg2ing4 | 0 drg2ing5 | 0 -------------+--------------------------------------------------------- gen3 | 0 prescr3 | 5,829 1.376565 .6720775 1 3 contsub3 | 5,829 5.700978 1.037377 2 7 comstat3 | 5,829 1.292503 .5775903 1 3 drugcl3 | 0 -------------+--------------------------------------------------------- drg3ing1 | 0 drg3ing2 | 0 drg3ing3 | 0 drg3ing4 | 0 drg3ing5 | 0 -------------+--------------------------------------------------------- gen4 | 0 prescr4 | 2,808 1.34651 .6565137 1 3 contsub4 | 2,808 5.724003 1.006764 2 7 comstat4 | 2,808 1.269231 .5657552 1 3 drugcl4 | 0 -------------+--------------------------------------------------------- drg4ing1 | 0 drg4ing2 | 0 drg4ing3 | 0 drg4ing4 | 0 drg4ing5 | 0 -------------+--------------------------------------------------------- gen5 | 0 prescr5 | 1,461 1.318275 .6490256 1 3 contsub5 | 1,461 5.753593 .9455352 2 7 comstat5 | 1,461 1.247775 .5528911 1 3 drugcl5 | 0 -------------+--------------------------------------------------------- drg5ing1 | 0 drg5ing2 | 0 drg5ing3 | 0 drg5ing4 | 0 drg5ing5 | 0 -------------+--------------------------------------------------------- racer | 29,117 1.284816 .508852 1 3 patcode | 29,117 40.23546 26.44274 1 184 stratm | 29,117 304.8712 100.0885 201 404 psum | 29,117 13.79407 14.33403 1 49 year | 29,117 1993 0 1993 1993 -------------+--------------------------------------------------------- subfile | 29,117 2 0 2 2 prostrat | 29,117 1.003709 .060791 1 2 provider | 29,117 195.6469 114.2335 1 394 dept | 29,117 1 0 1 1 su | 29,117 1.068173 .3582902 1 4 -------------+--------------------------------------------------------- clinic | 29,117 1.068173 .3582902 1 4 poppsum | 29,117 -.0244187 .999719 -1 1 popsum | 29,117 0 0 0 0 popvism | 29,117 -.4877906 .4998595 -1 0 popprovm | 29,117 154.4782 160.7455 0 360 by Jean Roth , jroth@nber.org , 28 Mar 2016