Summary statistics for g_c1thr4_37 variable in hosp_rollup2552_96_2009 dataset Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_37 | 1,109 4.89e+07 8.41e+07 -3.00e+07 8.01e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018