Demographic characteristics by the presence of IAC or otosclerosis
| Characteristic | IAC Diverticulum Only (n = 36) | Otosclerosis Only (n = 32) | IAC Diverticulum + Otosclerosis (n = 7) | None (n = 732) | P Value |
|---|---|---|---|---|---|
| Median age (range) (yr) | 62 (18–91) | 52 (18–91) | 61 (30–70) | 52 (18–96) | <.01a |
| Sex (No.) (%) | .47b | ||||
| Male | 15 (41.7) | 9 (28.1) | 3 (42.9) | 316 (43.2) | |
| Female | 21 (58.3) | 23 (71.9) | 4 (57.1) | 416 (56.8) | |
| Temporal bone involvement (No.) (%) | .02b | ||||
| Unilateral | 9 (20.9) | 15 (38.5) | 5 (71.4) | ||
| Bilateral | 34 (79.1) | 24 (61.5) | 2 (28.6) |