Summary statistics for hccesrdv21 variable in icd_10_cm_mappings2018 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  hccesrdv21 |      9,981    89.48352    61.29376          1        189

by Jean Roth , jroth@nber.org , 20 Mar 2018