Prospective Analysis of Risk for Hypothyroidism after Hemithyroidectomy

Table 2

Univariate analysis between posthemithyroidectomy euthyroid and hypothyroid patients.

Predictor	Euthyroid group	Hypothyroid group
Age, years	42.3 ± 11.8	44.2 ± 17.8	0.58
Patients height, m	1.70 ± 0.09	1.66 ± 0.08	0.05
Patients BMI	25.2 ± 4.2	27.1 ± 6.1	0.11
Nodule number			0.15
Single, %	69.1	67.6
Multiple, %	30.9	32.4
Remaining thyroid weight, g	7.05 ± 4.32	4.17 ± 1.82	0.005
Derived weight index, g/kg	0.094 ± 0.050	0.057 ± 0.025	0.001
Preoperative serum TSH level, mU/L	0.85 ± 0.46	1.42 ± 0.67	0.00004
Preoperative serum LT3 level, mU/L	4.4 ± 0.9	4.1 ± 0.7	0.07
Preoperative serum LT4 level, mU/L	13.3 ± 2.2	12.5 ± 3.3	0.28
Preoperative ATPO level	30.7 ± 238.8	9.0 ± 16.3	0.45
Side of hemithyroidectomy, right, %	54.3	75.0	0.1

TSH: thyroid-stimulating hormone; ATPO: antithyroid peroxidase; BMI: body mass index; n.s.: difference being not significant.