Frequencies for first 10,000 rows of othtst13 variable in namcs1996 dataset :

 other test |
 - icd-9-cm |
procedure - |
      3 dgt |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      9,732       97.32       97.32
        033 |          1        0.01       97.33
        212 |          1        0.01       97.34
        753 |          4        0.04       97.38
        861 |         25        0.25       97.63
        885 |          1        0.01       97.64
        891 |         31        0.31       97.95
        892 |          1        0.01       97.96
        893 |         34        0.34       98.30
        894 |         22        0.22       98.52
        895 |         69        0.69       99.21
        903 |         15        0.15       99.36
        904 |          1        0.01       99.37
        909 |          6        0.06       99.43
        912 |          1        0.01       99.44
        914 |         16        0.16       99.60
        915 |          2        0.02       99.62
        916 |          9        0.09       99.71
        920 |          1        0.01       99.72
        921 |          1        0.01       99.73
        930 |          7        0.07       99.80
        950 |          2        0.02       99.82
        951 |          4        0.04       99.86
        952 |          1        0.01       99.87
        954 |          6        0.06       99.93
        965 |          1        0.01       99.94
        999 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016