Summary statistics for g_c1thr4_22 variable in hosp_rollup2552_96_2009 dataset Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_22 | 2,824 5.32e+07 1.90e+08 -5.71e+07 3.89e+09 by Jean Roth , jroth@nber.org , 21 Apr 2018