Table 2.

Logistic regression results of the outcomes of initial and permanent hypocalcaemia

Hypocalcaemia	Unadjusted				Adjusted*
calcium	β	SE	Exp(β) (95% CI)	P-value	β	SE	Exp(β) (95% CI)	P-value
Temporary
Operation day	–0.216	0.036	0.81 (0.75–0.87)	< 0.0001	–0.251	0.045	0.78 (0.71–0.85)	< 0.0001
Day 1	–0.254	0.041	0.78 (0.72–0.84)	< 0.0001	–0.299	0.051	0.74 (0.67–0.82)	< 0.0001
Slope 1	–0.049	0.017	0.95 (0.92–0.98)	0.004	–0.045	0.018	0.96 (0.92–0.99)	0.012
Permanent
Operation day	–0.121	0.049	0.89 (0.81–0.98)	0.014	–	–	–	–
Slope 1	–0.426	0.169	0.65 (0.47–0.91)	0.011	–	–	–	–

^*Adjusted for the variables of age, sex, operation and number of parathyroids.