Frequencies for first 10,000 rows of othtst13 variable in nhamcsopd1996 dataset :

 other test |
 - icd-9-cm |
procedure - |
      3 dgt |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      9,860       98.60       98.60
        122 |          1        0.01       98.61
        401 |          1        0.01       98.62
        753 |         30        0.30       98.92
        884 |          3        0.03       98.95
        891 |         21        0.21       99.16
        893 |          8        0.08       99.24
        894 |          1        0.01       99.25
        895 |         25        0.25       99.50
        903 |          4        0.04       99.54
        909 |          2        0.02       99.56
        914 |          6        0.06       99.62
        916 |          1        0.01       99.63
        919 |          2        0.02       99.65
        920 |          1        0.01       99.66
        921 |          3        0.03       99.69
        930 |          2        0.02       99.71
        935 |          4        0.04       99.75
        940 |          4        0.04       99.79
        950 |          3        0.03       99.82
        951 |         12        0.12       99.94
        954 |          4        0.04       99.98
        999 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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