Summary statistics for d_4_hos_c1_37 variable in hosp_rollup2552_96_2002 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos_c1~7 | 5 144308.6 59701.31 67821 220317 by Jean Roth , jroth@nber.org , 10 Sep 2018