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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