Summary statistics for c_1_c6_48 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_48 | 765 4065644 1.09e+07 68 1.49e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018