Frequencies for psi_12_postop_pulmemb_dvt_toofew variable in vwhqi_hosp_ahrq_state dataset :

PSI_12_POST |
OP_PULMEMB_ |
 DVT_TOOFEW |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         19       33.93       33.93
          1 |         14       25.00       58.93
          2 |          5        8.93       67.86
          3 |          4        7.14       75.00
          6 |          3        5.36       80.36
          7 |          1        1.79       82.14
          8 |          1        1.79       83.93
          9 |          1        1.79       85.71
         10 |          1        1.79       87.50
         20 |          1        1.79       89.29
          . |          6       10.71      100.00
------------+-----------------------------------
      Total |         56      100.00

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