Endoscopic myringoplasty: comparison of double layer cartilage-perichondrium graft and single fascia grafting

Table 1 Demographic characteristic of patients between the groups

	double layer graft group	fascia graft group	P value
No.	67	67
Sex (F:M)	39:28	42:25	0.891^a
Age (years)	34.6 ± 1.30	35.0 ± 2.07	0.537^b
Location of perforation (Central vs Marginal)	41:26	45:23	0.672^a
Marginal perforation (Antero-: Postero-: İnfero-)	13:9:4	11:7:5	0.838^a
Size of perfortion (subtotal: large:Medium)	13:20:34	11:25:31	0.729^a
Side of ear (L:R)	35:32	37:30	0.962^a
Myringosclerosis (Y:N)	17:50	11:56	0.288^a
Status of non-operated ear (contralateral perforation or OME:N)	3: 64	1: 66	0.611^a
Smoking status (Y:N)	12:55	9:58	0.634^a
Presence of diabetes (Y:N)	2:65	4:63	0.676^a
Elevation of the tympanomeatal flap (Y:N)	0:67	36:31	0.001^a
Average operating time (minutes)	36.4 ± 3.8	62.7 ± 4.2	0.001^b
Mean follow-up period (months)	20.2 ± 1.9	21.3 ± 2.6	0.873^b

ISSN: 1916-0216