Summary statistics for e_a_hos_c1_18 variable in hosp_rollup2552_96_2002 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e_a_hos_c~18 | 4,297 2.31e+07 3.26e+07 -12600 4.38e+08 by Jean Roth , jroth@nber.org , 10 Sep 2018