Table 4. Prevalence rates of each neuroepithelium grade by anatomical region.

	Turbinate
	Superior Fragment		Middle Fragment
Olfactory neuroepithelium	Posterior	Anterior	Posterior	Anterior
	(n = 50)	(n = 48)	(n = 50)	(n = 50)
Absent	1 (2.0%)	5 (10.4%)	32 (64.0%)	49 (98.0%)
Present	49 (98.0%)	43 (8.6%)	18 (36.0%)	1 (2.0%)
Up to 25%	2 (4.0%)	14 (2.2%)	15 (30.0%)	1 (2.0%)
26–50%	13 (26.0%)	20 (41.6%)	3 (6.0%)	0 (0.0%)
51–75%	23 (46.0%)	9 (18.8%)	0 (0.0%)	0 (0.0%)
>76%	11 (22.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)