Table 4 Category-specific and overall inter-rater reliability coefficients, sensitivity and specificity
Percentage agreement | Kappa | Sensitivity§ | Specificity§ | |||
|---|---|---|---|---|---|---|
Category (number of items) | Category % | % range across items | Category κ (95% CI) | κ range across items | Estimate (95% CI) | Estimate (95% CI) |
1. Physical assessment (8) | 95 | 79–100 | 0.88 (0.87–0.90) | 0.00–1.00 | 0.95 (0.92–0.97) | 0.95 (0.91–0.98) |
2. Asthma control (7) | 84 | 76–93 | 0.68 (0.65–0.70) | 0.05–0.71 | 0.89 (0.84–0.92) | 0.85 (0.80–0.88) |
3. Spirometry (6) | 100 | 100 | nc | nc | nc | 0.99 (0.98–1.00) |
4. Asthma education (8) | 76 | 54–95 | 0.49 (0.46–0.52) | 0.04–0.67 | 0.87 (0.80–0.92) | 0.77 (0.73–0.81) |
5. Asthma referrals (3) | 90 | 88–93 | 0.77 (0.73–0.81) | 0.02–0.84 | 0.88 (0.77–0.95) | 0.95 (0.90–0.98) |
6. Medications (1) | 90 | 90 | nc | nc | nc | 0.94 (0.85–0.98) |
Overall | 88 | 0.75* (0.75–0.77) | 0.91 (0.89–0.93) | 0.89 (0.88–0.91) | ||