Table 4. Multivariate logistic regression for evaluating the association with a complete hearing recovery

		Exp (B)	p-value	95% CI
Oral duration	48 hrs group	1
	7 days group	1.130	0.744	0.514–2.360
	14 days group	0.198	0.019*	0.051–0.769
pre-PTA	40 dB	1
	41–60 dB	1.226	0.715	0.410–3.673
	61–80 dB	0.218	0.004*	0.077–0.618
	>81 dB	0.138	<0.001*	0.049–0.385

95% CI: confidence interval, Adjusted for age, vertigo, and DM, Hosmer and Lemeshow test, p=0.204. PTA: pure tone audiometry.
p<0.05.