Summary statistics for psi_12_postop_pulmemb_dvt_high_e variable in vwhqi_hosp_ahrq dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- psi_12_po~_e | 3,095 7.550275 2.071642 2.86 21.99 by Jean Roth , jroth@nber.org , 16 Nov 2016