Table 3 Sensitivity and specificity of patient -reported chronic disease relative to chronic disease derived from administrative data using a 5-year look-back period
Chronic disease | Prevalence n (%) | Sensitivity (%) (95% CI) | Specificity (%) (95% CI) | Kappa (κ) (95% CI) |
|---|---|---|---|---|
Heart disease | 141,457 (20.9) | 43.0 | 98.8 | 0.52 |
(42.7, 43.2) | (98.7, 98.8) | (0.52, 0.52) | ||
High blood pressure | 358,699 (53.0) | 72.3 | 92.7 | 0.64 |
(72.2, 72.5) | (92.6, 92.7) | (0.64,0.65) | ||
Stroke | 15,783 (2.33) | 30.3 | 99.0 | 0.34 |
(29.6, 31.1) | (99.0, 99.1) | (0.34. 0.34) | ||
Leg pain due to poor circulation | 17,728 (2.62) | 24.1 | 93.3 | 0.10 |
(23.5, 24.7) | (93.3, 93.4) | (0.10, 0.10) | ||
Lung disease | 112,774 (16.7) | 43.6 | 98.8 | 0.53 |
(43.3, 43.9) | (98.8, 98.9) | (0.53, 0.53) | ||
Diabetes | 82,384 (12.2) | 85.6 | 99.1 | 0.88 |
(85.3, 85.8) | (99.0, 99.1) | (0.88,0.88) | ||
Kidney disease | 45,172 (6.68) | 17.1 | 99.3 | 0.25 |
(16.8, 17.5) | (99.2, 99.3) | (0.25,0.25) | ||
Diseases of the nervous system | 24,727 (3.66) | 17.4 | 99.8 | 0.27 |
(17.0, 17.9) | (99.8, 99.8) | (0.27,0.27) | ||
Liver disease | 7173 (1.06) | 24.6 | 99.7 | 0.32 |
(23.6, 25,6) | (99.7, 99.7) | (0.32,0.32) | ||
Cancer | 31,649 (4.68) | 71.2 | 98.5 | 0.69 |
(70.7, 71.7) | (98.4, 98.5) | (0.69,0.69) | ||
Depression | 38,503 (5.69) | 58.4 | 93.9 | 0.41 |
(57.9, 58.9) | (93.8, 93.9) | (0.41,0.41) |