Table 6.

Multiple linear mixed-effect regression in all enrolled patients.

	Model 1		Model 2
	Estimate	p-value	Estimate	p-value
Sex (female)	0.623	0.125	–	–
Age	−0.017	0.221	–	–
Body weight	0.039	0.006	0.041	0.003
T3	−0.033	<0.001	−0.029	<0.001
Free T4	−3.483	<0.001	−3.431	<0.001
N stage
N1a vs N0	−0.103	0.723	–	–
N1b vs N0	−0.404	0.349	–	–
Extent of thyroidectomy (total)	−1.053	<0.001	−0.903	0.001
Preoperative TSH	0.047	0.012	0.044	0.019
SOSS (category)			–	–
Unconscious high vs low	2.266	0.001	2.338	0.001
High vs low	0.339	0.206	0.566	0.026
Challenged vs low	0.131	0.718	0.301	0.391
Fragile vs low	−0.256	0.518	−0.241	0.527