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Table 1 Characteristics of 5559 patients and stages of malignant thyroid cancer

From: Total thyroidectomy as primary surgical management for thyroid disease: surgical therapy experience from 5559 thyroidectomies in a less-developed region

Sex ratio (M/F) 714:4845
Mean age (years) 55 (9–87)
Preoperative diagnosis  
 Euthyroid 4324
  Bilateral 3540
  Unilateral 685
  Isthmus 99
 Hyperthyroid 674
  Diffuse goitre 177
  With thyroid nodule(s) 497
 Hypothyroid with thyroid nodules 601
Stage of malignant thyroid cancera  
 Total malignant thyroid disease 1640
 Patient older than 45 years 1295 (78.96 %)
  I 844 (51.46 %)
  II 411 (25.06 %)
  III 264 (16.10 %)
  IV 121 (7.38 %)
  1. aStaging according to the seventh edition of AJCC Cancer Staging Manual 2010