The remaining 595 ears were classified as chronic granulomatous otitis 206 ears, simple chronic otitis 368 ears, and adhesive otitis 21 ears.

• 其馀的595耳则包括慢性肉芽型中耳炎206耳，单纯性慢性中耳炎368耳及愈著型中耳炎21耳。