Research Article

Necrotizing Periodontal Diseases in a Semirural District of South Africa

Table 4

The severity and extent of NG/NP in relation to the patients’ HIV serostatus.

SeverityExtent (gingival tooth sites)Not documented

No. ofHIV status≤4 mm>4 mm< 5≥5
patientsPositive46210285
withNegative82551
NG/NPUnknown2645250

Total70820586