Summary statistics for 1992_surg_discharges_hsa dataset : by Jean Roth , jroth@nber.org , 14 Mar 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- hsanumber | 3,437 26325.03 14845.04 1001 99999 hsalabel | 0 medicar~1992 | 3,437 16919.89 496100.6 64 2.91e+07 allsurgica~i | 3,397 95.70519 11.89318 50.59313 153.0365 backsurger~l | 684 2.529258 1.012994 .5953649 7.118749 -------------+--------------------------------------------------------- coronaryan~a | 2,610 15.80941 5.391231 3.741595 48.16167 coronaryar~g | 1,410 5.314013 1.380681 1.787263 11.63388 percutaneo~n | 1,216 4.874004 2.06923 1.088354 17.83834 carotidend~i | 587 2.273101 .9332734 .479921 6.917597 cholecyste~n | 1,463 5.861298 1.577115 2.319762 13.84444 -------------+--------------------------------------------------------- hospitaliz~r | 1,798 7.632734 1.331871 3.284161 15.62495 hipreplace~r | 584 2.153554 .6133226 .6571119 4.254262 kneereplac~n | 1,104 3.965751 1.338371 .7692853 9.343318 mastect~1000 | 405 2.598283 .5801503 .7978029 4.549318 resectionf~e | 542 2.013022 .3771632 .8608528 3.310794 -------------+--------------------------------------------------------- lowerextre~p | 425 1.823808 .6255577 .6185379 4.509928 transureth~n | 1,482 14.51454 4.564986 3.900174 41.25454 aorticmitr~1 | 227 1.088343 .2761134 .4728226 1.982022 by Jean Roth , jroth@nber.org , 14 Mar 2018