Summary statistics for g_c1thr4_25 variable in hosp_rollup2552_96_2006 dataset Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_25 | 4,721 1.97e+07 6.64e+07 -6.30e+07 1.30e+09 by Jean Roth , jroth@nber.org , 21 Apr 2018