Factors

Contrast

p

Sex

Male versus female

0.652

Patient age

<10 years versus ³10 years

0.038

Side

Right versus left

0.439

Laterality

Bilateral versus unilateral

0.974

Size of perforation

0.978

Gelform in middle ear space

Yes versus no

0.146

Otorrhea at surgery

Discharge versus dry

0.009

Chitin membrane

Yes versus no

0.954

MRSA-infected

Yes versus no

0.079