Fungal Rhinosinusitis: A Retrospective Microbiologic and Pathologic Review of 400 Patients at a Single University Medical Center

Table 2

Classification of FRS in 400 patients.

Classification	Diagnosis	No. of patients	Total no. of patients	Percentage
Non-invasive			349	87.25%
	AFS	180		45.0%
	FB	161		40.25%
	Combined AFRS/FB	8		2.0%
Invasive			50	12.5%
	Acute	44		11.0%
	Chronic	4		1.0%
	Chronic granulomatous	2		0.5%
Non-invasive/invasive			1
	Combined FB/chronic granulomatous	1		0.25%