Retrospective Cohort Study
Copyright ©The Author(s) 2025.
World J Clin Cases. Sep 6, 2025; 13(25): 105204
Published online Sep 6, 2025. doi: 10.12998/wjcc.v13.i25.105204
Table 4 Risk factors associated with distant metastasis in poorly differentiated thyroid carcinoma patients, n (%)

M0 (n = 18)
M1 + M2 (n = 21)
Univariate OR (95%CI)
P value
Age
    < 45 years10 (55.6)4 ((19.0)Reference
    ≥ 45 years8 (44.4)17 (81.0)5.31 (1.27–22.2)0.018
Sex
    Female13 (72.2)12 (57.1)Reference
    Male5 (27.8)9 (42.9)1.95 (0.51–7.49)0.328
Tumor size
    ≤ 2 cm3 (16.7)0Reference
    > 2-4 cm6 (33.3)9 (45.0)
    > 4 cm9 (50.0)11 (55.0)1.72 (0.62–4.83)0.301
T stage
    T1/T27 (38.9)6 (28.6)Reference
    T3/T411 (61.1)15 (71.4)1.59 (0.42–6.07)0.496
N stage
    N017 (94.4)18 (85.7)Reference
    N11 (5.6)3 (14.3)2.83 (0.27–29.9)0.370