Frequencies for first 10,000 rows of psi_12_postop_pulmemb_dvt_wstr variable in vwhqi_hosp_ahrq_state dataset :

PSI_12_POSTOP |
_PULMEMB_DVT_ |
        WORSE |      Freq.     Percent        Cum.
--------------+-----------------------------------
            0 |      5,904       59.04       59.04
            2 |      4,096       40.96      100.00
--------------+-----------------------------------
        Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 16 Nov 2016