Table 8.
Inter-rater reliability
| PSBS | Kendall’s W | χ2 (df) | n | p |
|---|---|---|---|---|
| Single items | ||||
| 1. Alertness | 0.003 | 3.55 (2) | 513 | .17 |
| 2. Confusion | 0.010 | 9.97 (2) | 513 | .01 |
| 3. Restlessness/ anxiety | 0.000 | 0.13 (2) | 513 | .94 |
| 4. Sweating | 0.003 | 3.15 (2) | 506 | .21 |
| 5. Weakness | 0.000 | 0.01 (2) | 513 | .99 |
| 6. Nausea | 0.002 | 1.67 (2) | 514 | .43 |
| 7. Vomiting | 0.001 | 1.22 (2) | 514 | .54 |
| 8. Dyspnoea | 0.003 | 3.04 (2) | 513 | .22 |
| 9. Coughing | 0.002 | 1.65 (2) | 513 | .44 |
| 10. Itching | 0.000 | 0.40 (2) | 513 | .82 |
| 11. Pain | 0.006 | 5.92 (2) | 512 | .05 |
| Sum score | 0.000 | 0.40 (2) | 514 | .82 |