Summary statistics for d_4_hos_c6_37 variable in hosp_rollup2552_96_2001 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~6_37 | 42 6.02e+07 6.45e+07 2507160 2.73e+08 by Jean Roth , jroth@nber.org , 9 Sep 2018