Table 2. Comparison of clinical and pathological characteristics of thyroid cancer patients in CAYAs and older adults.
| Characteristics | ≤25 years, n (%) | >25 years, n (%) | Log rank χ2 | P value |
|---|---|---|---|---|
| Sex | 2.706 | 0.10 | ||
| Female | 162 (29.7) | 235 (43.1) | ||
| Male | 72 (13.2) | 76 (13.9) | ||
| Bilateralism | 12.960 | <0.01 | ||
| Yes | 45 (8.3) | 27 (5.0) | ||
| No | 189 (34.7) | 284 (52.1) | ||
| Multifocality | 37.898 | <0.01 | ||
| Yes | 81 (14.9) | 39 (7.2) | ||
| No | 153 (28.1) | 272 (49.9) | ||
| PTMC | 15.849 | <0.01 | ||
| Yes | 98 (18.0) | 80 (14.7) | ||
| No | 136 (25.0) | 231 (42.4) | ||
| Subtype | 1.235 | 0.26 | ||
| Invasive subtype | 15 (2.8) | 28 (5.1) | ||
| Non-invasive subtype | 219 (40.2) | 283 (51.9) | ||
| Extrathyroidal extension | 31.583 | <0.01 | ||
| Yes | 196 (36.0) | 192 (35.2) | ||
| No | 38 (7.0) | 119 (21.8) | ||
| Nodular goiter | 1.895 | 0.16 | ||
| Yes | 10 (1.8) | 21 (3.9) | ||
| No | 224 (41.1) | 289 (53.0) | ||
| Lymphatic metastasis | 13.554 | <0.01 | ||
| Yes | 160 (29.4) | 164 (30.1) | ||
| No | 74 (13.6) | 221 (40.6) | ||
| Postoperative recurrence | 4.502 | 0.03 | ||
| Yes | 31 (5.7) | 24 (4.4) | ||
| No | 203 (37.2) | 287 (52.7) |
CAYAs, children, adolescents, and young adults; PTMC, papillary thyroid microcarcinoma.