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Table 2 Characteristics of tympanic membrane perforation, N = 90

From: Effectiveness of trichloroacetic acid and trichloroacetic acid with gel foam for closure in patients with central perforation of tympanic membrane—a randomized controlled trial

Characteristics

N

%

Cause

 CSOM

68

75.6

 Trauma

22

24.4

Laterality

 Unilateral

67

74.4

 Bilateral

23

25.6

Size of perforation

 Small-sized

54

60

 Medium-sized

36

40

  1. CSOM Chronic suppurative otitis media