Summary statistics for d_4_hos_c2_44 variable in hosp_rollup2552_96_1999 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~2_44 | 216 141610.6 235554.1 1 1869478 by Jean Roth , jroth@nber.org , 7 Sep 2018