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Patients and specimens in this study
| No. of total specimens (no. of patients) | 538 (191) |
| Excluded specimens | |
| Severely crushed | 9 |
| Dysplasia | 1 |
| No. of studied specimens (no. of patients) | 527 (191) |
| Gender | |
| Male | 123 (64.0%) |
| Female | 68 (36.0%) |
| Median age (yr) (range) | 47 (8–82) |
