Table 1

Distribution of cases, age, gender, and side (N = 48)*

Classification
N (%)
Age†
♀/♂
Right/Left

Primary
25 (52)
57 (33 to 82)
13/12
12/13
Secondary
23 (48)
-
14/9
9/14
     postoperative
9 (19)
39 (16 to 56)
5/4
4/5
     postinflammatory
5 (10)
48 (17 to 63)
3/2
1/4
     postirradiatory
7 (15)
56 (32 to 66)
5/2
3/4
     posttraumatic
2 (4)
16 (15 to 17)
1/1
1/1

* Two patients with primary and one patient with postirradiatory EECC had bilateral disease

† mean (range)

Owen et al. BMC Ear, Nose and Throat Disorders 2006 6:16   doi:10.1186/1472-6815-6-16