Summary statistics for 2004_surg_discharges_hrr dataset :

by Jean Roth , jroth@nber.org , 14 Mar 2018

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   hrrnumber |        307    251.0912    131.2625          1        999
    hrrlabel |          0
medicar~2004 |        307    189087.1     1653319      17119   2.90e+07
allsurgica~i |        307    103.8081    11.79366   45.19849   151.0723
abdominala~r |        302    .8520497    .6318968  -1.869071   1.911357
-------------+---------------------------------------------------------
backsurger~l |        307    4.507422    1.488586   1.660298   10.34793
coronaryan~a |        307    23.27161    6.235444   7.793603   45.47114
coronaryar~g |        307     5.06496    1.292438   1.778855   9.919855
percutaneo~n |        307    12.06861    4.115793   3.748929   43.73402
carotidend~i |        307    3.023313    .9994805   .5104108   6.792561
-------------+---------------------------------------------------------
cholecyste~n |        307    4.305881    .8923436   2.289177   7.398017
hospitaliz~r |        307    7.515516    .9984496    3.28114   10.54718
hipreplace~r |        307    3.449468    .8830561   1.078814    5.71505
kneereplac~n |        307    8.107477    1.810311   2.517985   14.37211
mastect~1000 |        293    .5597693    1.129952  -2.355911   2.146636
-------------+---------------------------------------------------------
resectionf~e |        307    1.715998    .2490464   .8901128   2.519569
lowerextre~p |        303    1.232706     .590104  -1.619299   4.345852
transureth~n |        307    4.820424    1.409923   1.438862    10.7579
radicalpro~m |        286    .4519667    1.498784   -4.61302   3.138272
aorticmitr~1 |        307    1.375982    .4727696  -1.439549   2.599537

by Jean Roth , jroth@nber.org , 14 Mar 2018