Summary statistics for d_4_hos_c2_6201 variable in hosp_rollup2552_96_2004 data Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_h~2_6201 | 9 14087.56 21932.53 275 56178 by Jean Roth , jroth@nber.org , 21 Apr 2018