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Characteristics of the subjects.
| Variable | PTC samples, n (%) | Control samples, n (%) | P-value |
|---|---|---|---|
| Total | 139 | 195 | |
| Age, years | 0.14 | ||
| ≤45 | 78 (56.1) | 126 (64.6) | |
| >45 | 61 (44.9) | 69 (35.4) | |
| Sex | 0.25 | ||
| Female | 106 (76.3) | 136 (69.7) | |
| Male | 33 (23.7) | 59 (30.3) | |
| HRAS variant | 51 (36.7) | 51 (26.2) | 0.04 |
PTC, papillary thyroid carcinoma; HRAS, HRas proto-oncogene.
