Summary statistics for d_4_hos_c6_37 variable in hosp_rollup2552_96_2003 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~6_37 | 105 5.20e+07 5.38e+07 609740 2.89e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018