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Table 3 Associations between patient characteristics and risk of hypocalcemia - Univariate model

From: Predictors of postoperative hypocalcemia occurring after a total thyroidectomy: results of prospective multicenter study

Variable

OR

95% CI

p

Thyrotoxicosis before surgery: no

1

 

0.132

<10 years

1.65

1.01–2.70

0.046

>10 years

0.99

0.37–2.63

0.982

Thyroidectomy without lymphadenectomy

0.63

0.35–1.13

0.118

Thyroidectomy with one sided central lymphadenectomy

1.62

0.86–3.04

0.134

Thyroidectomy with central lymphadenectomy on both sides

1.31

0.33–5.13

0.702

Upper branch of left inferior thyroid artery, ligation

0.74

0.35–1.55

0.424

Lower branch of left inferior thyroid artery, ligation

0.62

0.28–1.38

0.241

Trunk of left inferior thyroid artery, ligation

2.04

1.27–3.29

0.003

Upper branch of right inferior thyroid artery, ligation

1.25

0.65–2.41

0.500

Lower branch of right inferior thyroid artery, ligation

1.90

0.84–4.31

0.125

Trunk of right inferior thyroid artery, ligation

2.37

1.47–3.82

<0.001

Number of darkened parathyroid glands at the end of surgery

0.98

0.69–1.39

0.925

Parathyroid gland hematoma

0.90

0.36–2.22

0.818

Adenomatous nodules

0.77

0.45–1.32

0.339

Colloidal nodules

1.13

0.73–1.75

0.574

Papillary carcinoma

1.20

0.71–2.01

0.498

Autoimmune thyroiditis

0.91

0.45–1.82

0.781

Graves’ disease

0.55

0.20–1.52

0.247

Calcium before surgery

0.01

1.01–0.57

<0.001

Calcium, day 1 after surgery

0.00

0.00–0.00

<0.001

Calcium, day 2 after surgery

0.00

0.00–0.00

<0.001

Ionized calcium before surgery

0.001

0.000–0.013

<0.001

Ionized calcium, day 1 after surgery

0.00

0.00–0.00

<0.001

Ionized calcium, day 2 after surgery

0.00

0.00–0.00

<0.001

PTH before surgery

1.00

0.99–1.01

0.854

PTH, day 1 after surgery

0.96

0.94–0.97

<0.001

25-hydroxyvitamin D before surgery

0.99

0.99–1.00

0.201

TSH before surgery

1.13

0.94–1.36

0.197

FT4 before surgery

0.98

0.91–1.06

0.625

FT3 before surgery

0.99

0.91–1.08

0.854

  1. PTH Parathyroid hormone, TSH thyroid stimulating hormone, FT3 free triiodothyronine, FT4 free thyroxine
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