Kappa values of agreement between the seven experts who completed 24 records
| Kappa score (2 groups) | Kappa score (4 groups) | |
|---|---|---|
| Values are median (interquartile range). | ||
| Kappa values of agreement are shown for two groups (negative and positive) and for four groups corresponding to clinical probabilities of negative, possible, probable, and positive. | ||
| All work-rest-work and rest-work-rest periods (n=159) | 0.84 | 0.70 |
| (0.48 to 0.87) | (0.48 to 0.74) | |
| Whole record: occupational effect (n=24) | 0.83 | 0.62 |
| (0.76 to 0.88) | (0.46 to 0.71) | |
| Whole record: “asthma” (n=24) | 0.58 | 0.42 |
| (0.42 to 0.65) | (0.24 to 0.50) | |