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Table 3 Baseline characteristics of patients between the recurrence and non-recurrence groups

From: The correlations between DNA methylation and polymorphisms in the promoter region of the human telomerase reverse transcriptase (hTERT) gene with postoperative recurrence in patients with thyroid carcinoma (TC)

Characteristic Non-recurrence group Recurrence group χ 2/t P
(n = 237) (n = 75)
Gender
 Male 67 (28.3) 24 (32.0) 0.69 0.467
 Female 170 (71.7) 51 (68.0)   
 Mean age (years) 42.58 ± 8.40 45.04 ± 10.53 1.26 0.211
Pathological type
 Papillary thyroid carcinoma 220 (92.8) 41 (54.7) 72.13 <0.0001
 Follicular thyroid carcinoma 10 (4.2) 7 (9.3)   
 Medullary thyroid carcinoma 5 (2.1) 10 (13.3)   
 Undifferentiated carcinoma 2 (0.8) 17 (22.7)   
Tumor stage
 I 174 (73.4) 10 (13.3) 98.67 < 0.0001
 II 25 (10.5) 20 (26.7)   
 III 35 (14.8) 29 (38.7)   
 IV 3 (1.3) 16 (21.3)