Frequencies for first 10,000 rows of injdet variable in namcs2007 dataset :

 is visit related to inj/poison/adverse |
                                effect? |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                  blank |         23        0.23        0.23
         unintentional injury/poisoning |        665        6.65        6.88
           intentional injury/poisoning |          9        0.09        6.97
      injury/poisoning - unknown intent |        287        2.87        9.84
adv effect of med/surg care/medicinal d |        102        1.02       10.86
                      none of the above |      8,914       89.14      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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