Summary statistics for d4_sub2_c2_50 variable in hosp_rollup2552_96_2010 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub2~2_50 | 372 1550482 2342058 152 1.53e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018