Primary outcome
LOW PARATHYROID HORMONE
The numbers of patients with low levels of PTH on the first postoperative day were 64 (26.0 per cent) in the FluobeamOutcome for 486 patients randomized to the use of autofluorescence (intervention) or to control group to identify parathyroid glands during thyroidectomyValues are A subanalysis of the primary outcome showed that the rate of low PTH levels on the day after surgery was lower among patients who underwent central lymph node dissection in the FluobeamSubanalysis of 141 patients with a low parathyroid hormone level on the day after thyroidectomyValues are The rate of low PTH levels on the first postoperative day for the total group of patients differed among centres (centre A: 73 of 210 patients (34.8 per cent); centre B: 30 of 82 (36.6 per cent) patients; centre C: 15 of 36 (41.7 per cent); and centre D: 23 of 158 (14.6 per cent); The levels of total calcium on the day after surgery did not differ between the two patient groups, nor did the rate of calcium levels below 2.00 mmol/l (