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| Surface area | Depth | |
| Deteriorated | 8 (5%) | 74 (42%) |
| Unchanged | 107 (61%) | 72 (41%) |
| Improved | 60 (34%) | 29 (16–17%) |
| P-value | < 0.01 | < 0.01 |
| Interobserver Kappa (95% CI) | 0.213 (0.061−0.366) | 0.282 (0.157−0.407) |
