Summary statistics for g_c1thr4_18 variable in hosp_rollup2552_96_2009 dataset Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_18 | 5,350 4.40e+07 8.37e+07 -2.34e+07 1.06e+09 by Jean Roth , jroth@nber.org , 21 Apr 2018