Comparison of clinicians' impression and study scores
| Referring clinician's impression2-150 | |||||
|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | Row totals | |
| Study scores | |||||
| 1 | 4 | 16 | 4 | 1 | 25 |
| 2 | 2 | 23 | 10 | 2 | 37 |
| 3 | 0 | 14 | 11 | 5 | 30 |
| 4 | 0 | 4 | 3 | 7 | 14 |
| All groups | 6 | 57 | 28 | 15 | 106 |
| Kappa analysis | |||||
| Agreement | 42.45% | ||||
| Expected agreement | 29.45% | ||||
| κ | 0.1843 | ||||
| Z | 3.30 | ||||
| Pr>Z | 0.0005 | ||||
↵2-150 1 = no abnormality, 2 = mild abnormality but no indication for treatment, 3 = moderate abnormality requiring surgical or medical treatment, 4 = severe abnormality requiring urgent surgical treatment.