Table 1. AIDS Clinical Trials Group Staging Classification
| Good Risk (0) | Poor Risk (1) | |
| (Any of the following) | (Any of the following) | |
| Tumor (T) | Confined to skin and/or lymph nodes and/or minimal oral disease [Note: Minimal oral disease is non-nodular KS confined to the palate.] | Tumor-associated edema or ulceration |
| Extensive oral KS | ||
| Gastrointestinal KS | ||
| KS in other non-nodal viscera | ||
| Immune system (I) | CD4 cells ≥ = 200/microL | CD4 cells <200 per cubic millimeter |
| Systemic illness (S) | No history of OIs or thrush [Note: OIs are opportunistic infections.] | History of OIs and/or thrush |
| No “B” symptoms [Note: “B” symptoms are unexplained fever, night sweats, >10% involuntary weight loss, or diarrhea persisting >2 weeks.] | “B” symptoms present | |
| Performance status ≥70 (Karnofsky) | Performance status <70 | |
| Other HIV-related illness (e.g., neurological disease or lymphoma) |
