Investigation of the Presence of Biofilms in Chronic Suppurative Otitis Media, Nonsuppurative Otitis Media, and Chronic Otitis Media with Cholesteatoma by Scanning Electron Microscopy

Table 2

The intraoperative condition of biofilm positive samples during the surgery.

Patient number	Diagnosis/condition	Description of specimen	The intraoperative condition of biofilm positive samples
			Normal mucosa	Hypertrophic tissue	Granulation tissue with associated mucosa
10	Chronic suppurative otitis media	Middle ear mucosa	1 (20%)	1 (20%)	3 (60%)
		Mastoid tissue	1 (33.7%)	0	2 (67.3%)
11	Chronic nonsuppurative otitis media	Middle ear mucosa	1 (17%)	2 (33%)	3 (50%)
		Mastoid tissue	0	2 (67.3%)	1 (33.7%)
13	Cholesteatoma	Middle ear mucosa	0	2 (40%)	3 (60%)
		Mastoid tissue	0	0	2 (100%)