Summary statistics for d_4_hos_c6_41 variable in hosp_rollup2552_96_2009 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~6_41 | 310 1.37e+08 1.28e+08 11280 8.76e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018