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Table 1 Clinicopathological variable of UMPTMC patients

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

Characteristics   UMPTMC  
  HT(n = 57, %) TT(n = 40, %) p value
Age (years), mean ± SD 49 ± 10 53 ± 8 0.933
Age cohort
 <45 years 23(40.35) 17(42.5) 0.832
 ≥45 years 34(59.65) 23(57.5)
Sex
 Male 12(21.05) 9(22.5) 0.865
 Female 45(78.95) 31(77.5)
ETE
 Yes 6(10.53) 10(25) 0.059
 No 51(89.47) 30(75)
Diameter of the largest tumor
 >5 mm 17(29.82) 12(30) 0.985
 ≤5 mm 40(70.18) 28(70)
Sum diameter of all tumors
 >1 cm 23(40.35) 8(20) 0.046
 ≤1 cm 34(59.65) 32(80)
Foci number
 >3 9(15.79) 7(17.5) 0.823
 ≤3 48(84.21) 33(82.5)
Primary tumor laterality
 Left 27(47.37) 19(47.5) 0.990
 Right 30(52.63) 21(52.5)
TNM stage
 I and II 22(38.60) 12(30)  
 III and IV 35(61.40) 28(70)
With chronic thyroiditis
 Yes 5(8.77) 6(15) 0.167
 No 52(91.23) 34(85)
Follow-up period (months)
 Average ± SD 126 ± 5 128 ± 3  
CLNM 0.822
 Yes 34(59.65) 32(80)  
 No 23(40.35) 8(20) 0.046
Outcome
 Tumor recurrence 15/57(26) 2/40(5) 0.007
  Contralateral lobe 14(24.56) 0(0)  
  Central/lateral lymph node 1(1.44) 2(5)
 Disease-related death 2/57(3.5) 1/40(2.5) 1.000
  1. SD standard deviation, ETE extrathyroidal extension, CLNM central lymph node metastases