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Table 3 Rates of postoperative hypocalcaemia

From: Changing trends in surgery for Graves’ disease: a cohort comparison of those having surgery intended to preserve thyroid function with those having ablative surgery

  No./total (%) Relative risk (95% CI)*
Hypocalcaemia, transient or permanent   
Subtotal thyroidectomy or Dunhill procedure 43/96 (44.8) 1 [Reference]
Total thyroidectomy 49/53 (92.5) 2.06 (1.63–2.61)
Transient hypocalcaemia   
Subtotal thyroidectomy or Dunhill procedure 42/73 (43.8) 1 [Reference]
Total thyroidectomy 45/53 (84.9) 1.94 (1.51–2.50)
Permanent hypocalcaemia   
Subtotal thyroidectomy or Dunhill procedure 1/96 (1.0) 1 [Reference]
Total thyroidectomy 4/53 (7.5) 7.26 (0.83–63.17)
  1. Values in parentheses are percentages.
  2. * Relative risks compare total thyroidectomy with subtotal thyroid resection (subtotal thyroidectomy or Dunhill procedure).