Frequencies for psi_12_postop_pulmemb_dvt_bestr variable in vwhqi_hosp_ahrq_sta

PSI_12_POSTOP |
_PULMEMB_DVT_ |
       BETTER |      Freq.     Percent        Cum.
--------------+-----------------------------------
            0 |          8       14.29       14.29
            1 |         12       21.43       35.71
           13 |          1        1.79       37.50
           16 |          1        1.79       39.29
            2 |          6       10.71       50.00
            3 |          6       10.71       60.71
            4 |          7       12.50       73.21
            5 |          4        7.14       80.36
            6 |          1        1.79       82.14
            7 |          2        3.57       85.71
            8 |          2        3.57       89.29
Not Available |          6       10.71      100.00
--------------+-----------------------------------
        Total |         56      100.00

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