Table 4 Risk factors of lateral lymph node metastasis of patients younger than 30 years old
LLNM | Univariate analysis | Multivariate analysis | ||||||
|---|---|---|---|---|---|---|---|---|
Variables | Present(n = 100) | Absent(n = 20) | OR(95% CI) | p value | OR(95% CI) | p value | ||
Male | 33(33.0%) | 2(10.0%) | 4.433(0.970-20.251) | 0.039 | 6.242(1.163–33.497) | 0.033 | ||
Tumor size ≥ 20 mm | 32(32.0%) | 2(10.0%) | 4.235(0.926–19.367) | 0.046 | 7.753(1.259–47.753) | 0.027 | ||
Upper lobe | 25(25.0%) | 1(5.0%) | 6.333(0.806–49.750) | 0.047 | 25.780(1.651-402.522) | 0.020 | ||
Multifocality | 59(59.0%) | 6(30.0%) | 3.358(1.191–9.462) | 0.017 | 3.293(0.820-13.225) | 0.093 | ||
Bilaterality | 36(36.0%) | 6(30.0%) | 1.313(0.464–3.713) | 0.608 | ||||
Extra-thyroidal extension | 78(78.0%) | 10(50.0%) | 6.682(1.309-9.600) | 0.010 | 1.989(0.557–7.110) | 0.290 | ||
Extra-nodal extension | 33(33.0%) | 1(5.0%) | 9.358(1.200-72.958) | 0.011 | 5.321(0.598–47.355) | 0.134 | ||
CLNM | 95(95.0%) | 15(75.0%) | 6.333(1.635–24.526) | 0.003 | 11.011(1.475–82.214) | 0.019 | ||