Summary statistics for d_4_hos_c6_37 variable in hosp_rollup2552_96_2002 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~6_37 | 79 5.09e+07 6.32e+07 1579780 3.84e+08 by Jean Roth , jroth@nber.org , 10 Sep 2018