Frequencies for d_4_ipf_c11_65 variable in prds_hosp10_yr2017 dataset :

Respiratory |
    Therapy |
    D00B184 |
      06500 |
      01100 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.03        0.03
          2 |          2        0.05        0.08
          3 |          2        0.05        0.13
          4 |          2        0.05        0.19
          5 |          3        0.08        0.27
          6 |          1        0.03        0.29
          7 |          1        0.03        0.32
          8 |          1        0.03        0.35
         20 |          1        0.03        0.37
         39 |          1        0.03        0.40
         55 |          1        0.03        0.43
         76 |          1        0.03        0.45
         97 |          1        0.03        0.48
        119 |          1        0.03        0.51
        124 |          1        0.03        0.53
        131 |          1        0.03        0.56
        171 |          1        0.03        0.59
        400 |          1        0.03        0.61
        457 |          1        0.03        0.64
       1135 |          1        0.03        0.67
          . |      3,724       99.33      100.00
------------+-----------------------------------
      Total |      3,749      100.00

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