Summary statistics for hqi_op_procedure_volume dataset :

by Jean Roth , jroth@nber.org , 15 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
-------------+---------------------------------------------------------
 respiratory |          0
       other |          0
    footnote |        714           5           0          5          5
  start_date |      4,119       19724           0      19724      19724
start_date~r |          0
-------------+---------------------------------------------------------
    end_date |      4,119       20088           0      20088      20088
 end_datestr |          0
    provider |          0
      msr_cd |          0
   measureid |          0

by Jean Roth , jroth@nber.org , 15 Nov 2016