Table 3.

Multivariate logistic regression analysis results of long-term hypoparathyroidism.

Factor	P-value	OR (95%CI)
Gender (male)	0.568	0.717 (0.229, 2.246)
Age (year)	0.469	0.986 (0.950, 1.024)
Combined lymphatic dissection	0.011	1.594 (0.586, 4.334)
Operation time (min)	0.071	0.976 (0.956, 0.996)
Tumor diameter (mm)	0.076	0.956 (0.909, 1.005)
Thyroid diameter (cm)	0.032	1.254 (0.794, 1.981)
Second operation (yes)	0.131	1.764 (1.132, 3.251)
Preoperative blood calcium (mmol/L)	0.816	0.481 (0.001, 228.086)
Preoperative PTH (ng/L)	0.060	0.965 (0.930, 1.001)
d1 Blood calcium (mmol/L)	0.376	4.376 (0.167,114.361)
d1 PTH (ng/L)	<0.01	1.199 (1.086,1.324)