Table 2 Comparisons of clinicopathological features between cN0 and cN1 of PTC patients
Variable | Total (n = 748) | cN0 (n = 688) | cN1 (n = 60) | χ2 | p |
|---|---|---|---|---|---|
Age (years) | 3.31 | 0.19 | |||
≤ 40 | 246 | 220 (32.0%) | 26 (43.3%) | ||
> 40 and ≤ 55 | 423 | 395 (57.4%) | 28 (46.7%) | ||
> 55 | 79 | 73 (10.6%) | 6 (10.0%) | ||
Gender | 1.63 | 0.20 | |||
Male | 108 | 96 (14.0%) | 12 (20.0%) | ||
Female | 640 | 592 (86.0%) | 48 (80.0%) | ||
HT | 0.42 | 0.52 | |||
No | 667 | 612 (89.0%) | 55 (91.7%) | ||
Yes | 81 | 76 (11.0%) | 5 (8.3%) | ||
Nodular goiters | 2.49 | 0.12 | |||
No | 397 | 371 (53.9%) | 26 (43.3%) | ||
Yes | 351 | 317 (46.1%) | 34 (56.7%) | ||
Multifocality | 1.61 | 0.20 | |||
No | 607 | 562 (81.7%) | 45 (75.0%) | ||
Yes | 141 | 126 (18.3%) | 15 (25.0%) | ||
Bilaterality | 0.00 | 0.98 | |||
No | 462 | 425 (61.8%) | 37 (61.7%) | ||
Yes | 286 | 263 (38.2%) | 23 (38.3%) | ||
Primary tumor size | 74.89 | < 0.001* | |||
≤ 1 cm | 540 | 520 (75.6%) | 20 (33.3%) | ||
> 1 and ≤ 2 cm | 170 | 145 (21.1%) | 25 (41.7%) | ||
> 2 cm | 38 | 23 (3.3%) | 15 (25.0%) | ||
Capsule contact | 31.36 | < 0.001* | |||
No | 275 | 273 (39.7%) | 2 (3.3%) | ||
Yes | 473 | 415 (60.3%) | 58 (96.7%) | ||
ETE | 82.02 | < 0.001* | |||
No | 505 | 496 (72.1%) | 9 (15.0%) | ||
Yes | 243 | 192 (27.9%) | 51 (85.0%) | ||
SWE imaging | |||||
Emax | 748 | 54.87 ± 14.55 | 61.70 ± 11.90 | -2.92 | < 0.001* |
Emean | 748 | 44.01 ± 11.97 | 46.80 ± 9.82 | -1.36 | 0.08 |
ER | 748 | 1.85 ± 0.46 | 2.16 ± 0.48 | -4.97 | < 0.001* |
Central LNM | 101.56 | < 0.001* | |||
No | 534 | 525 (76.3%) | 9 (15.0%) | ||
Yes | 214 | 163 (23.7%) | 51 (85.0%) | ||
Number of pN1 | 205.02 | < 0.001* | |||
≤ 5 pN1 | 707 | 675 (98.1%) | 32 (53.3%) | ||
> 5 pN1 | 41 | 13 (1.9%) | 28 (46.7%) |