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Table 2 Prevalence of multimorbidity in health survey and electronic health records

From: Comparison of the information provided by electronic health records data and a population health survey to estimate prevalence of selected health conditions and multimorbidity

  Healthsurvey(N = 15,926) Electronichealth records (N = 1,597,258)  
Age group N Multimorbidity prevalence (%, 95% CI) N Multimorbidity prevalence (%, 95% CI) Prevalence difference (%, 95% CI)
15-44 7,894 39.7 (38.4-41.0) 813,437 21.6 (21.5-21.7) 18.1 (16.8-19.4)
45-64 4,466 70.3 (69.3-71.1) 460,496 52.9 (52.8-53.1) 17.4 (16.5-18.3)
65-74 1,703 87.5 (86.7-87.9) 162,591 79.8 (79.6-80.0) 7.7 (7.1-8.3)
≥75 1,863 92.9 (91.7-92.5) 160,734 87.2 (87.0-87.3) 5.7 (5.3-6.1)