Table 1 Demographic characteristic of patients

Sex (F:M)

29:39

26:41

0.780^a

Age (years)

46.2 ± 3.1

47.0 ± 1.1

0.695^b

Side of ear (L:R)

41:17

52:15

0.497^a

Myringosclerosis (Y:N)

9:59

12:55

0.608^a

Smoking status (Y:N)

7:61

9:58

0.766^a

Duration,years

16.1 ± 2.4

15.9 ± 6.3

0.794^b

Perforation size (S:M)

14:54

17:50

0648^a

Graft infection, n(%)

3 (4.4%)

7 (10.4%)

0.312^a

Residual perforation, n(%)

2 (0.0%)

0 (0.0%)

0.482^a

Graft success, n(%)

63 (92.6%)

61(91.0%)

0.979^a