Table 2.

Severity of disease according to the Ssali classification (N = 90).

Staging	Crust	Odour	Atrophy	No. of cases (%)
Early	Minimal	Mild foetor	Only at turbinates	12 (13.3%)
Advanced	Lots	Foul	Generalized, including bones	54 (59.9%)
Late advanced	Extensive	Foul	Ulceration/bleeding, very large nasal cavities	24 (26.6%)