Association of Matrix Metalloproteinase-2 mRNA Expression with Subtypes of Pediatric Cholesteatoma

Table 1

Patient background (characteristics).

(a)

	Closed type ()	Open type ()	Pars flaccida ()	Pars tensa ()	value
Gender (male/female)	11 (55.0%)/9 (45.0%)	13 (72.2%)/5 (27.8%)	9 (64.2%)/5 (35.8%)	6 (75.0%)/2 (25.0%)	0.682
Age					<0.001
Lesions (right/left)	10 (50.0%)/10 (50.0%)	7 (38.8%)/11 (61.2%)	9 (64.2%)/5 (35.8%)	2 (25.0%)/6 (75.0%)	0.302

(b)

	Congenital cholesteatoma ()		Acquired cholesteatoma ()		value
Age					<0.001
	Closed type ()	Open type ()
					0.678
			Pars flaccida ()	Pars tensa ()
					0.230