Summary statistics for d_5_hos_c9_42 variable in hosp_rollup2552_96_2009 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_5_hos~9_42 | 1,099 2242853 4971578 12 8.83e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018