Table 3. Multivariate logistic regression for evaluating the association with a meaningful hearing recovery

		Exp (B)	p-value	95% CI
Oral duration	48 hrs group	1
	7 days group	1.112	0.722	0.618–2.001
	14 days group	0.725	0.423	0.331–1.591
	21 days group	0.315	0.058	0.095–1.038
	30 days group	0.234	0.035*	0.061–0.906
pre-PTA	40 dB	1
	41–60 dB	1.628	0.318	0.625–4.239
	61–80 dB	1.007	0.988	0.423–2.395
	>81 dB	0.534	0.137	0.233–1.221

95% CI: confidence interval, Adjusted for age, vertigo, and DM, Hosmer and Lemeshow test, p=0.104. PTA: pure tone audiometry.
p<0.05.