Summary statistics for c_1_c7_38 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_38 | 2,092 2754728 3861712 51 4.43e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018