Association of Patients’ Characteristics with Acupuncture Treatment Outcomes in Treating Bell’s Palsy: Results from a Randomised Controlled Trial

Table 3

Backward logistic regression with the bootstrap method.

Variable	B	SE	value	Odds ratio (95% CI)^a
Age	0.021	0.008	0.009	1.022 (1.005–1.038)
BMI	0.086	0.034	0.012	1.090 (1.019–1.165)
Nerve lesion site	0.688	0.235	0.003	1.989 (1.256–3.150)
Duration of disease from onset to treatment
Acute stage			<0.001
Resting stage	−0.372	0.292	0.082	0.690 (0.389–1.220)
Recovery stage	2.079	0.286	<0.001	7.996 (4.570–13.991)
Initial HB grade	1.036	0.147	<0.001	2.817 (2.113–3.756)
Intercept	−9.254	1.170	<0.001

BMI, body mass index. ^aRegression coefficient and corresponding odds ratio after bootstrapping (i.e., adjusted for overfitting).