Summary statistics for drg2002 dataset : by Jean Roth , jroth@nber.org , 22 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- drg | 0 drgnum | 523 262 151.1214 1 523 drgweight | 523 1.418317 1.746956 0 20.2413 drgdesc | 0 drgsys | 0 -------------+--------------------------------------------------------- drgvers | 523 19 0 19 19 glos | 523 4.534417 3.765069 0 39.2 trim | 523 234.6272 91.98536 0 630 low | 0 alos | 523 5.7587 4.81798 0 58.5 -------------+--------------------------------------------------------- mdc | 506 9.043478 6.071691 0 25 medsurg | 0 fydate | 523 15249 0 15249 15249 fyear | 523 2002 0 2002 2002 mdcdesc | 0 by Jean Roth , jroth@nber.org , 22 Apr 2016