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. Author manuscript; available in PMC: 2014 Dec 18.

Published in final edited form as: JAMA. 2013 Aug 21;310(7):699–705. doi: 10.1001/jama.2013.108769

(A) National Committee for Quality Assurance (NCQA) Healthcare Effectiveness Data and Information Set (HEDIS) hypertension control rates comparing Kaiser Permanente Northern California (KPNC), National, and California between 2001–2009; (B) KPNC NCQA HEDIS hypertension control rates versus KPNC internal hypertension registry control rates between 2001–2009. Confidence intervals for the KPNC NCQA HEDIS hypertension rates are indicated by the vertical bars on the graph. Confidence intervals for the KPNC internal hypertension registry control rates are not displayed as they are extremely small (<0.3%). See eTable 1 for complete details.

(A) National Committee for Quality Assurance (NCQA) Healthcare Effectiveness Data and Information Set (HEDIS) hypertension control rates comparing Kaiser Permanente Northern California (KPNC), National, and California between 2001–2009; (B) KPNC NCQA HEDIS hypertension control rates versus KPNC internal hypertension registry control rates between 2001–2009. Confidence intervals for the KPNC NCQA HEDIS hypertension rates are indicated by the vertical bars on the graph. Confidence intervals for the KPNC internal hypertension registry control rates are not displayed as they are extremely small (<0.3%). See eTable 1 for complete details.