Summary statistics for icd2hccxw2011 dataset : by Jean Roth , jroth@nber.org , 12 Jan 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- icd | 0 icddesc | 0 icdvers | 3,395 9 0 9 9 hcc | 2,916 76.24554 59.46989 1 177 rxhcc | 1,450 56.75103 37.65664 1 168 -------------+--------------------------------------------------------- inhcc | 0 inrxhcc | 0 year | 3,395 2011 0 2011 2011 by Jean Roth , jroth@nber.org , 12 Jan 2016