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Table 4 Univariate and multivariate analyses of risk factors predicting local invasion in FPTC patients

From: Single-center study of familial papillary thyroid cancer in China: surgical considerations

  Univariate a    Multivariate b   
  OR 95% CI P OR 95% CI P
Group 8.494 3.166, 22.786 <0.001 5.683 2.056, 15.707 0.001
Gender 2.105 1.046, 4.234 0.037 2.010 0.957, 4.223 0.065
Age 1.857 1.058, 3.259 0.031 2.306 1.218, 4.365 0.010
Tumor size 1.975 0.935, 4.172 0.075 1.425 0.617, 3.290 0.407
Multifocality 1.024 0.555, 1.890 0.940    
Rapid proliferation 1.991 0.786, 5.042 0.146    
Metastatic lymph nodes 2.431 1.379, 4.288 0.002 2.542 1.345, 4.804 0.004
  1. Group: familial vs. sporadic, Gender: female vs. male, Age (years): ≥45 vs. <45, Tumor size (cm): >4 vs. ≤4, Multifocality: yes vs. no, Rapid proliferation: yes vs. no, Metastatic lymph nodes: yes vs. no; OR: odds ratio, CI: confidence interval. aHazard ratios in univariate models; bHazard ratios in multivariable models.