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Table 2 Validation results for the CPCSSN case finding algorithms of 5 chronic conditions

From: From patient care to research: a validation study examining the factors contributing to data quality in a primary care electronic medical record database

Condition CPCSSN+ Chart+ CPCSSN+ Chart- CPCSSN- Chart+ CPCSSN- Chart- Sensitivity Specificity PPV Kappa
% (95% CI) % (95% CI) % (95% CI) k (95% CI)
COPD 18 31 7 347 72.0 (52.4-85.7) 91.8 (88.6-94.2) 36.7 (24.7-50.7) 0.44 (.30-.59)
Depression 85 13 31 274 73.3 (64.6-80.5) 95.5 (92.4-97.3) 86.7 (78.6-92.1) 0.72 (.64-.80)
Diabetes 93 9 10 291 90.3 (83.0-94.6) 97.0 (94.4-98.4) 91.2 (84.1-95.3) 0.88 (.82-.93)
Hypertension 283 22 14 84 95.3 (92.2-97.2) 79.2 (70.6-85.9) 92.8 (89.3-95.2) 0.76 (.69-.84)
Osteoarthritis 180 7 105 111 63.2 (57.4-68.5) 94.1 (88.3-97.1) 96.3 (92.5-98.2) 0.46 (.39-.54)
  1. COPD: Chronic Obstructive Pulmonary Disease; CI: Confidence Interval.
  2. Diagnosis identified is denoted by “+”; Diagnosis not identified is denoted by “-”.