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Table 1 Clinicopathological Characteristics of 512 cases of PTCs

From: BRAFV600E status and clinical characteristics in solitary and multiple papillary thyroid carcinoma: experience of 512 cases at a clinical center in China

Characteristics Number
Number of patients 512
Male/female 127/385
Mean age (yr) ± SD 43.5 ± 16.4 (4–78)
Mean size (cm) ± SD 1.58 ± 1.35
  Less than 1 cm 235 (45.9%)
  1 cm - 2 cm 173 (33.8%)
  2 cm – 4 cm 73 (14.3%)
  More than 4 cm 31 (6.0%)
Multiple 136 (26.6%)
Extra-thyroidal invasion 128 (25.0%)
Lymph node metastasis 207 (40.4%)
Distant metastasis 20 (3.9%)
Recurrence 36 (7.0%)
Family history 13 (2.5%)
BRAFv600E mutation 263 (51.4%)
TNM stage  
  I 242 (47.3%)
  II 151 (29.5%)
  III 83 (16.2%)
  IV 36 (7.0%)
  1. The TNM stage is based on the AJCC Cancer Staging Manual, 7th edition (2002).