Frequencies for first 10,000 rows of injdet variable in namcs2008 dataset :

 is visit related to inj/poison/adverse |
                                effect? |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                  blank |          4        0.04        0.04
         unintentional injury/poisoning |        562        5.62        5.66
           intentional injury/poisoning |         15        0.15        5.81
      injury/poisoning - unknown intent |        295        2.95        8.76
adv effect of med/surg care/medicinal d |         93        0.93        9.69
                      none of the above |      9,031       90.31      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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