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. 2017 Dec;6(Suppl 1):S69–S74. doi: 10.21037/gs.2017.09.14

Table 2. Risk factors for hypocalcaemia.

Factor Calcium/vitamin D treatment at index admission Calcium/vitamin D treatment at 6 months post-op
Odds Odds ratio Odds Odds ratio
Multi-nodular goitre 0.497 0.057
Graves’ disease 0.718 1.44 0.066 1.16
Cancer 0.753 1.52 0.133 2.33
No level 6 dissection 0.553 0.064
Level 6 dissection 0.966 1.75 0.175 2.73
First-time 0.601 0.078
Re-operative 0.664 1.10 0.112 1.44

Odds of hypocalcaemia are following bilateral thyroid resection; odds ratios within each category of risk factor, compared to reference group.