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Contrastors differentiating the positive cases in P+++ from the positive cases outside P+++
| Diameter (mm) | Grade | ||
| P+++ | Average | 30.71 | 3.00 |
| CI (95%) | 25.31 | 3.00 | |
| 36.12 | 3.00 | ||
| Positive cases outside P+++ | Average | 22.67 | 2.81 |
| CI (95%) | 20.11 | 2.67 | |
| 25.22 | 2.96 |
CI, confidence interval.
