Immunological tests at presentation
| Patient | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| HLA class II expression (%) | 0 | 0 | 0 | <1 | 0 | 0 | <1 | 0 | 0 | <1 |
| CD4 count (cells/μl) | 264 | 153 | 784 | 307 | 1365 | 319 | 400 | 372 | 221 | 414 |
| HLA class I expression (%) | 89 | 100 | 54 | NT | NT | NT | N | 96 | N | NT |
| CD8 count (cells/μl) | 205 | 221 | 1960 | 1434 | 1235 | 392 | 4676 | 2836 | 390 | 2104 |
| Lymphocyte proliferation | ||||||||||
| PHA | N | L | N | L | N | NT | N | N | N | NT |
| Antigen | L | L | NT | NT | NT | NT | L | L | NT | NT |
| Serum Igs (g/l) | ||||||||||
| IgM | 0.07 | 0.10 | 0.43 | 0.32 | 0.09 | 0 | 0.11 | 0.02 | 0.13 | 0.54 |
| IgG | 0.52 | 7.22 | 0 | 1.39 | 0.87 | 0.1 | 1.64 | 6.16 | 0.77 | 15.5 |
| IgA | 0.02 | 0.02 | 0 | 0.08 | 0.21 | 1.7 | 1.76 | 0.18 | 0.08 | <0.03 |
NT, not tested; N, normal; L, low.