Frequencies for d_4_ipf_c11_57 variable in prds_hosp10_yr2017 dataset :

    CT Scan |
    D00B184 |
      05700 |
      01100 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          4        0.11        0.11
          2 |          3        0.08        0.19
          5 |          2        0.05        0.24
          7 |          1        0.03        0.27
         14 |          1        0.03        0.29
         25 |          1        0.03        0.32
         30 |          1        0.03        0.35
         41 |          1        0.03        0.37
         66 |          1        0.03        0.40
        233 |          1        0.03        0.43
        498 |          1        0.03        0.45
          . |      3,732       99.55      100.00
------------+-----------------------------------
      Total |      3,749      100.00

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