Summary statistics for hqi_op_procedure_volume dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
 provider_id |          0
hospital_n~e |          0
  measure_id |          0
gastrointe~l |          0
         eye |          0
-------------+---------------------------------------------------------
nervoussys~m |          0
musculoske~l |          0
        skin |          0
genitourin~y |          0
cardiovasc~r |          0
-------------+---------------------------------------------------------
  start_date |      4,103       19359           0      19359      19359
start_date~r |          0
    end_date |      4,103       19723           0      19723      19723
 end_datestr |          0
    provider |          0
-------------+---------------------------------------------------------
      msr_cd |          0
   measureid |          0

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