Summary statistics for d_4_hos_c8_42 variable in hosp_rollup2552_96_2010 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~8_42 | 97 3.97e+07 5.66e+07 6888 3.93e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018