Summary statistics for d_4_hos_c8_42 variable in hosp_rollup2552_96_2002 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~8_42 | 35 1.84e+07 2.19e+07 150676 1.09e+08 by Jean Roth , jroth@nber.org , 10 Sep 2018