Summary statistics for 1993_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~1993 |        307    190706.7     1667859      14762   2.93e+07
allsurgica~i |        307    91.22925    7.394047   60.31926   121.3387
abdominala~r |        304    .8098697    .6534176  -1.550925   1.594418
-------------+---------------------------------------------------------
backsurger~l |        307    2.613107    .8755367   .9082518   6.609023
coronaryan~a |        307    15.77749    4.212045   8.000684   41.14004
coronaryar~g |        307    5.097045     1.00528   2.107052   8.745677
percutaneo~n |        307    5.184404    1.915854   1.810474   13.02892
carotidend~i |        307    2.251787     .791659    .550257   4.803741
-------------+---------------------------------------------------------
cholecyste~n |        307     5.31887    .9215012   3.447623   8.524485
hospitaliz~r |        307     7.57744    .7942637   5.290154   9.902673
hipreplace~r |        307    2.187269    .5877563   .6826006   3.750453
kneereplac~n |        307    4.330197    1.137434   1.331919   8.261044
mastect~1000 |        307    2.174951    1.043834  -3.230435   4.051192
-------------+---------------------------------------------------------
resectionf~e |        307     1.85042    .2870313   1.002248   2.963409
lowerextre~p |        305    1.596984    .5558459  -2.458247   3.791163
transureth~n |        307    11.76432     2.49435   4.994813   21.07378
aorticmitr~1 |        305    .7737591    .6617791  -1.821113   1.672415

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