Summary statistics for psi_12_postop_pulmemb_dvt_toofew variable in vwhqi_hosp_ahrq_state dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- psi_12_pos~w | 50 2.54 4.106789 0 22 by Jean Roth , jroth@nber.org , 16 Nov 2016