Summary statistics for d_4_hos_c2_44 variable in hosp_rollup2552_96_2008 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~2_44 | 202 732081.2 1990775 1 1.45e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018