Table 2 Univariate and multivariate logistic regression analyses for estimating hearing success (n = 138).

From: Aditus ad antrum patency on CT as a predictor of tympanoplasty outcomes in chronic otitis media

Variables

Univariate

 

Multivariate

OR (95% CI)

P value

OR (95% CI)

P value

Obstructed aditus ad antrum

2.40 (1.52–3.79)

 < 0.001*

1.83 (1.10–3.04)

0.020*

MERI score > 3

3.98 (1.95–8.12)

 < 0.001*

2.68 (1.06–6.75)

0.037*

Mastoid type

    

Pneumatic

1

0.026*

1

0.530

 Diploic

2.00 (0.73–5.47)

0.177

0.96 (0.30–3.12)

0.946

 Sclerotic

2.78 (1.31–5.88)

0.008*

1.54 (0.66–3.62)

0.317

Mastoidectomy

    

 No

1

0.014*

1

0.525

 Canal wall up

1.19 (0.43–3.27)

0.735

1.08 (0.40–3.24)

0.893

 Canal wall down

4.37 (1.62–11.77)

0.004*

2.04 (0.59–7.12)

0.261

Preoperative dry ear

0.79 (0.37–1.65)

0.526

  

Middle ear granulation

1.91 (0.91–3.98)

0.086

0.58 (0.21–1.63)

0.301

Age

1.02 (0.99–1.04)

0.244

  

Sex

0.79 (0.40–1.57)

0.507

  

Smoker

1.93 (0.68–5.49)

0.215

  
  1. CWU, Canal wall up; CWD, Canal wall down; MERI, Middle ear risk index; OR, Odds ratio; CI, Confidence interval.
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