Summary statistics for d_4_hos_c6_55 variable in hosp_rollup2552_96_2004 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos_c6~5 | 91 1.49e+07 1.90e+07 28 1.13e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018