Table 1 Univariate analysis of CLNM in 2384 PTC patients who underwent CLND [n (%)]
Influencing factor | Number | Is the central lymph node metastatic | OR | 95%CI | P | ||
|---|---|---|---|---|---|---|---|
Yes | No | ||||||
Gender | |||||||
Male | 353 | 236(66.9) | 117(33.1) | 0.181 | 1.141–2.232 | < 0.001 | |
Female | 2031 | 938(46.2) | 1093(53.8) | 1.000 | |||
Age (years) | < 0.001 | ||||||
≤ 30 | 151 | 127(84.1) | 24(15.9) | 5.926 | 3.894–9.021 | < 0.001 | |
30–55 | 1694 | 781(46.1) | 913(53.9) | 1.216 | 0.995–1.485 | 0.06 | |
>55 | 539 | 266(49.4) | 273(50.6) | 1.000 | |||
Lesion (cm) | < 0.001 | ||||||
≤ 0.5 | 1015 | 356(35.1) | 659(64.9) | 1.000 | |||
0.5-1 | 905 | 454(50.2) | 451(49.8) | 1.863 | 1.551–2.238 | < 0.001 | |
1–2 | 347 | 258(74.4) | 89(25.6) | 5.366 | 4.083–7.052 | < 0.001 | |
2–4 | 107 | 97(90.7) | 10(9.3) | 7.956 | 4.609–11.757 | < 0.001 | |
>4 | 10 | 9(90.0) | 1(10.0) | 6.660 | 1.510-12.599 | 0.008 | |
Multifocal | Single stove | 1573 | 536(34.1) | 1137(72.3) | 1.000 | ||
Multifocal | 811 | 638(78.7) | 173(21.3) | 7.823 | 6.425–9.525 | < 0.001 | |