Frequencies for efficientuseofmedicalimagingnati variable in hqi_hosp dataset :

    Efficient use of medical |
 imaging national comparison |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
  Above the National average |        359        7.45        7.45
  Below the National average |        374        7.76       15.21
               Not Available |      2,026       42.05       57.26
Same as the National average |      2,059       42.74      100.00
-----------------------------+-----------------------------------
                       Total |      4,818      100.00

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