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Table 4 Relationships between clinicopathological characteristics and skip metastasis

From: PTC located in the upper pole is more prone to lateral lymph node metastasis and skip metastasis

  Univariate analysis Multivariate analysis
  (−) (+) P value Adjusted OR (95% CI) P value
Sex    0.411   
 Female 1157 (70.8%) 103 (74.1%)    
 Male 477 (29.2%) 36 (25.9%)    
Age    < 0.001* 2.354 (1.522–3.640) < 0.001*
 < = 55 1200 (86.0%) 89 (72.4%)    
 > 55 196 (14.0%) 34 (27.6%)    
Size (cm)    0.101   
 ≤ 1 796 (48.7%) 66 (47.5%)    
 1~2 582 (35.6%) 42 (30.2%)    
 > 2 256 (15.7%) 31 (22.3%)    
Location    < 0.001* 4.295 (2.885–6.395) < 0.001*
 Upper 527 (32.3%) 97 (69.8%)    
 Non-upper 1107 (67.7%) 42 (30.2%)    
ETE 338 (20.7%) 37 (26.6%) 0.100   
Multifocality 283 (17.3%) 29 (20.9%) 0.292   
Hashimoto 229 (14.0%) 18 (12.9%) 0.728   
  1. *Symbol for p < 0.05
  2. ETE extrathyroidal extension, OR odds ratio, CI confidence Interval