Frequencies for psi_11_postop_respfail_worse variable in vwhqi_hosp_ahrq_state dataset :

PSI_11_POST |
OP_RESPFAIL |
     _WORSE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         12       21.43       21.43
          1 |          8       14.29       35.71
          2 |          4        7.14       42.86
          3 |          4        7.14       50.00
          4 |          5        8.93       58.93
          5 |          2        3.57       62.50
          6 |          1        1.79       64.29
          8 |          1        1.79       66.07
          9 |          1        1.79       67.86
         10 |          1        1.79       69.64
         11 |          3        5.36       75.00
         12 |          1        1.79       76.79
         13 |          2        3.57       80.36
         14 |          1        1.79       82.14
         15 |          1        1.79       83.93
         19 |          1        1.79       85.71
         20 |          1        1.79       87.50
         21 |          1        1.79       89.29
          . |          6       10.71      100.00
------------+-----------------------------------
      Total |         56      100.00

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