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The comparison of the probability of malignancy between malignant tumor and benign disease
| Malignant tumor (n = 203) | Benign disease (n = 38) | P | |
|---|---|---|---|
| Mean probability of malignancy | 51.7 | 34.6 | p < 0.001 |
| Low risk group (%) | 3 (1) | 4 (10) | |
| Median risk group (%) | 112 (55) | 25 (66) | |
| High risk group (%) | 88 (43) | 9 (24) |
