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Table 4 Univariate analysis by Cox’s proportional hazards method for disease-free survival

From: Total thyroidectomy may be more reasonable as initial surgery in unilateral multifocal papillary thyroid microcarcinoma: a single-center experience

Factors analyzed HT patients
  Risk ratio(CI) p value
Age (years) 1.112(0.395–3.130) 0.840
Male gender 5.676(2.034–15.839) 0.001
ETE 0.041(0.000–40.879) 0.365
Diameter of the largest tumor 1.688(0.601–4.743) 0.321
Sum diameter of all tumors 9.072(2.533–32.491) 0.001
Foci number 2.191(0.697–6.886) 0.179
Primary tumor laterality 0.889(0.322–2.452) 0.820
TNM stage 1.131(0.386–3.312) 0.822
With chronic thyroiditis 1.638(0.369–7.261) 0.516
CLNM 4.951(1.114–21.998) 0.036
  1. ETE extrathyroidal extension, CLNM central lymph node metastases