Summary statistics for g_c1thr4_21 variable in hosp_rollup2552_96_2006 dataset Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_21 | 5,955 4.79e+07 9.29e+07 -1.29e+07 1.95e+09 by Jean Roth , jroth@nber.org , 21 Apr 2018