Frequencies for d_4_irf_c11_64 variable in prds_hosp10_yr2017 dataset :

Intravenous |
    Therapy |
    D00C184 |
      06400 |
      01100 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |          1        0.03        0.03
          6 |          1        0.03        0.05
         13 |          1        0.03        0.08
          . |      3,746       99.92      100.00
------------+-----------------------------------
      Total |      3,749      100.00

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