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Table 3 Factors associated with poor optimal surgical outcomes

From: Thyroid cancer overdiagnosis and overtreatment: a cross- sectional study at a thyroid cancer referral center in Ecuador

  Univariate analysis Multivariate analysis  
  PR (95% CI) P value PR (95% CI) P value
Sex
 Male Reference 0.295   
 Female 0.74 (0.42, 1.30)   
Age, mean (SD) 1.00 (0.99, 1.01) 0.684   
BMI 1.02 (0.99, 1.05) 0.191   
Setting of Surgery
 - Tertiary Hospital Reference 0.878 Reference 0.947
 - Non- tertiaty hospital 0.98 (0.71, 1.32) 1.01 (0.75, 1.37)
Tumor size (n = 306), mean (SD) 1.01 (1.00, 1.02) 0.001 1.01 (1.00, 1.02) 0.182
Tumor focality, n (%)
 - Unifocal Reference 0.425   
 - Multifocal 1.13 (0.84, 1.53)   
Positive Central Cervical Lymph nodes metastasis, n (%)
 - No Reference 0.004 Reference 0.017
 - Yes 1.54 (1.15, 2.06) 1.45 (1.07, 1.97)
MACIS score 1.14 (1.02, 1.28) 0.017 1.08 (0.94, 1.24) 0.285
Histology variant
 - Non- aggresive Reference 0.651   
 - Aggresive 1.11 (0.70, 1.79)   
Risk recurrence
 Very low risk Referencea    
 Low risk    
 Indeterminate risk 0.95 (0.51, 1.77) 0.861   
 High risk 0.95 (0.19, 4.73) 0.946   
  1. a For univariate and multivariate analysis low and very low risk categories were combined and taken as reference
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