Summary statistics for e_a_hos_c1_18 variable in hosp_rollup2552_96_1996 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e_a_hos_c~18 | 4,954 1.60e+07 2.38e+07 -19972 2.60e+08 by Jean Roth , jroth@nber.org , 3 Sep 2018