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. Author manuscript; available in PMC: 2015 Mar 1.
Published in final edited form as: JAMA Intern Med. 2014 Mar;174(3):380–388. doi: 10.1001/jamainternmed.2013.13426

Figure 3. Variation in Frequency of Consultation Across Hospital Referral Regions.

Figure 3

Points represent unadjusted proportions of individuals undergoing consultation before cataract surgery across 306 hospital referral regions (HRRs) during 2005 to 2006. Vertical lines represent exact binomial 95% CIs. The dotted horizontal line denotes the overall proportion undergoing consultation (17.8%). The HRRs are ordered along the x-axis from lowest to highest frequency of consultations.