Frequencies for d_4_irf_c11_59 variable in prds_hosp10_yr2017 dataset :

    Cardiac |
Catheteriza |
       tion |
    D00C184 |
      05900 |
      01100 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          3        0.08        0.08
          2 |          1        0.03        0.11
          5 |          2        0.05        0.16
          6 |          2        0.05        0.21
          7 |          1        0.03        0.24
         10 |          1        0.03        0.27
         11 |          1        0.03        0.29
         16 |          1        0.03        0.32
         51 |          1        0.03        0.35
        491 |          1        0.03        0.37
          . |      3,735       99.63      100.00
------------+-----------------------------------
      Total |      3,749      100.00

by Jean Roth , jroth@nber.org , 26 Oct 2018