Frequencies for d_4_irf_c11_53 variable in prds_hosp10_yr2017 dataset :

Anesthesiol |
        ogy |
    D00C184 |
      05300 |
      01100 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |          1        0.03        0.03
          4 |          1        0.03        0.05
         13 |          1        0.03        0.08
         14 |          1        0.03        0.11
         15 |          1        0.03        0.13
         16 |          1        0.03        0.16
         45 |          1        0.03        0.19
         86 |          1        0.03        0.21
         87 |          1        0.03        0.24
        163 |          1        0.03        0.27
        167 |          1        0.03        0.29
          . |      3,738       99.71      100.00
------------+-----------------------------------
      Total |      3,749      100.00

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