Summary statistics for g_c1thr4_16 variable in hosp_rollup2552_96_2006 dataset Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_16 | 3,490 1.86e+07 5.21e+07 -1.28e+07 1.03e+09 by Jean Roth , jroth@nber.org , 21 Apr 2018