Frequencies for psi_11_postop_respfail_tostr variable in vwhqi_hosp_ahrq_state dataset :

PSI_11_POST |
OP_RESPFAIL |
    _TOOFEW |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         11       19.64       19.64
          1 |         10       17.86       37.50
         10 |          1        1.79       39.29
         12 |          1        1.79       41.07
         14 |          2        3.57       44.64
         16 |          1        1.79       46.43
         17 |          1        1.79       48.21
         19 |          1        1.79       50.00
          2 |          3        5.36       55.36
          3 |          5        8.93       64.29
         39 |          1        1.79       66.07
          4 |          4        7.14       73.21
          5 |          1        1.79       75.00
          6 |          3        5.36       80.36
          8 |          5        8.93       89.29
        N/A |          6       10.71      100.00
------------+-----------------------------------
      Total |         56      100.00

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