Table 1.
Basic clinicopathologic characteristics in stage T1a solitary papillary thyroid carcinoma.
| Characteristics | Case n = 493(%) |
Cervical CLNM (%) | x2 | p value | |
|---|---|---|---|---|---|
| No | Yes | ||||
| Gender | 5.432 | 0.020 | |||
| Female | 359 (72.8) | 249 (69.4) | 110 (30.6) | ||
| Male | 134 (27.2) | 78 (58.2) | 56 (41.8) | ||
| Age, mean ± SD (years) | 41.71 ± 11.21 | 2.570 | 0.109 | ||
| <55 | 422 (85.6) | 274 (64.9) | 148 (35.1) | ||
| ≥55 | 71 (14.4) | 53 (74.6) | 18 (25.4) | ||
| Maximum tumor size (cm) | 2.022 | 0.155 | |||
| ≤0.5 | 230 (46.7) | 160 (69.6) | 70 (30.4) | ||
| >0.5, ≤1.0 | 263 (53.3) | 167 (63.5) | 96 (36.5) | ||
| Tumor location | 1.481 | 0.477 | |||
| Left lobe | 211 (42.8) | 146 (69.2) | 65 (30.80) | ||
| Right lobe | 267 (54.2) | 172 (64.4) | 95 (35.6) | ||
| Isthmus | 15 (3.0) | 9 (60.0) | 6 (40.0) | ||
| Number of lymph node dissection | 15.415 | <0.001 | |||
| <6 | 317 (64.3) | 230 (72.6) | 87 (27.4) | ||
| ≥6 | 176 (35.7) | 97 (55.1) | 79 (44.9) | ||
| BRAFV600E mutation | 0.368 | 0.544 | |||
| Negative | 44 (8.9) | 31 (70.5) | 13 (29.5) | ||
| Positive | 449 (91.1) | 296 (65.9) | 153 (34.1) | ||
| HT | 1.721 | 0.190 | |||
| Non-concomitant | 419 (85.0) | 273 (65.2) | 146 (34.8) | ||
| Concomitant | 74 (15.0) | 54 (73.0) | 20 (27.0) | ||