Summary statistics for 2010_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~2010 | 307 182956.3 1599882 15934 2.81e+07 allsurgica~i | 307 90.78006 9.848062 39.05 113.68 abdominala~r | 305 .6090164 .7152413 -1.59 1.51 -------------+--------------------------------------------------------- backsurger~l | 307 4.961466 1.434461 1.46 10.08 coronaryan~a | 307 15.88902 4.623986 6.46 31.06 coronaryar~g | 307 3.268404 .9036663 1.2 6.8 percutaneo~n | 307 7.651922 2.669005 2.56 19.78 carotidend~i | 307 2.073616 .7119459 .43 4.42 -------------+--------------------------------------------------------- cholecyste~n | 307 3.37355 .6772996 1.69 5.79 hospitaliz~r | 307 6.801075 1.104288 2.52 10.15 hipreplace~r | 307 3.968241 .9224127 1.45 6.73 kneereplac~n | 307 9.450814 1.824203 3.42 15.81 mastect~1000 | 262 .130916 .9393158 -2.8 2.15 -------------+--------------------------------------------------------- resectionf~e | 304 .5111513 .7492678 -2.04 1.52 lowerextre~p | 295 .6461017 .7119634 -1.68 2.73 transureth~n | 298 1.959027 1.827204 -7.09 6.49 radicalpro~m | 286 .4503496 1.44843 -3.55 3.57 aorticmitr~1 | 307 1.381954 .5017018 -1.89 2.75 by Jean Roth , jroth@nber.org , 14 Mar 2018