Frequencies for psi_14_postop_dehis_better variable in vwhqi_hosp_ahrq_state dataset :

PSI_14_POST |
OP_DEHIS_BE |
       TTER |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         50       89.29       89.29
          . |          6       10.71      100.00
------------+-----------------------------------
      Total |         56      100.00

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