Frequencies for msr_cd variable in hqi_national_readmcompdeath dataset :

               Measure ID |      Freq.     Percent        Cum.
--------------------------+-----------------------------------
            COMP_HIP_KNEE |          1        5.26        5.26
              MORT_30_AMI |          1        5.26       10.53
             MORT_30_COPD |          1        5.26       15.79
               MORT_30_HF |          1        5.26       21.05
               MORT_30_PN |          1        5.26       26.32
              MORT_30_STK |          1        5.26       31.58
PSI_12_POSTOP_PULMEMB_DVT |          1        5.26       36.84
      PSI_14_POSTOP_DEHIS |          1        5.26       42.11
           PSI_15_ACC_LAC |          1        5.26       47.37
          PSI_4_SURG_COMP |          1        5.26       52.63
            PSI_6_IAT_PTX |          1        5.26       57.89
            PSI_90_SAFETY |          1        5.26       63.16
             READM_30_AMI |          1        5.26       68.42
            READM_30_COPD |          1        5.26       73.68
              READM_30_HF |          1        5.26       78.95
        READM_30_HIP_KNEE |          1        5.26       84.21
       READM_30_HOSP_WIDE |          1        5.26       89.47
              READM_30_PN |          1        5.26       94.74
             READM_30_STK |          1        5.26      100.00
--------------------------+-----------------------------------
                    Total |         19      100.00

by Jean Roth , jroth@nber.org , 16 Nov 2016