Frequencies for first 10,000 rows of injdetr1_trd variable in namcs2012 dataset :

         Is visit related to any of the |
          following? Recoded version #1 |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
         Unintentional injury/poisoning |        314        3.14        3.14
           Intentional injury/poisoning |          4        0.04        3.18
      Injury/poisoning - unknown intent |        183        1.83        5.01
Adv effect of med/surg care/medicinal d |         58        0.58        5.59
                              No injury |      9,441       94.41      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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