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Percentage of loose screws based on “halo zone sign”
| Assessors | Numbera (percentage) |
|---|---|
| Observer 1 (consultant) | 9 (3.4%) |
| Observer 2 (consultant) | 11 (4.2%) |
| Observer 3 (consultant) | 13 (5%) |
| Observer 4 (specialist registrar) | 9 (3.4%) |
| Observer 5 (specialist registrar) | 56 (21.7%) |
| Observer 6 (specialist registrar) | 59 (22.8%) |
| Observer 7 (specialist registrar) | 113 (43.7%) |
ªNumbers and percentages out of 260 X-ray pictures of screws
