This study is designed as a prospective non-randomized longitudinal single-center cohort study. It will enroll around 120 patients undergoing total thyroidectomy with data being collected from September 2019 up to December 2019. The hypothesis is that a significant association and cut-off point in PTH levels may be established with regard to postoperativne hypocalcaemia. Primary outcome measures are presence of hypocalcemia on the first and fifth postoperative day. Secondary outcome measures are the need for calcium supplement therapy during the first five postoperative days and amount of medication given. Associations between variables will be assessed using Spearman's rho rank correlation coefficient, the Kruskal-Wallis test for independent samples and a logistic regression model to test statistically significant correlations between PTH and serum calcium values as a primary end point.
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Cut-off PTH post-thyroidectomy value
Timeframe: 5 days