Summary statistics for 1998_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~1998 |        307    172732.1     1510313      11784   2.65e+07
allsurgica~i |        307     99.4254    9.246396   63.65273   125.9573
abdominala~r |        307   -324.8654    5707.294     -99999   1.772434
-------------+---------------------------------------------------------
backsurger~l |        307    3.487391    1.116659   1.101376   7.882872
coronaryan~a |        307    20.77007    5.365103   10.26432   41.97253
coronaryar~g |        307     6.31564     1.34861   3.094501   10.54115
percutaneo~n |        307     8.63231    2.897821   3.574587   23.75981
carotidend~i |        307    3.548214    1.058862   1.152176   7.475126
-------------+---------------------------------------------------------
cholecyste~n |        307     4.81119    .9229877   2.774417   8.014422
hospitaliz~r |        307    8.277312    .9519232   5.081461   10.90893
hipreplace~r |        307    2.644287      .71866   .7971734   4.688087
kneereplac~n |        307     5.42612    1.295678     2.0759   9.553655
mastect~1000 |        307    1.306955    1.250887   -3.44976   3.110639
-------------+---------------------------------------------------------
resectionf~e |        307    1.952673    .4257145  -1.850968   2.804636
lowerextre~p |        307   -649.6798    8058.208     -99999   3.881207
transureth~n |        307    7.142348    1.835251   2.337874   15.27982
aorticmitr~1 |        307    1.281645    .5461186  -1.438442   2.465483

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