Total CSF and serum ADA and CSF ADA2 in patients with meningitis or a normal lumbar puncture (LP)
| Diagnosis | Total ADA | CSF ADA2 | % ADA2 | Serum Total ADA |
| TBM (n=11) | 6.9 (4.2–69) | 7.0 (3.5–57) | 88.1 (80.5–100) | 47.8 (43.5–85.1) |
| CM (n=9) | 4.4 (2.5–10.9) | 3.9 (1.2–6.1) | 68.21-150(43.6–93.2) | 45.9 (26.6–48.7) |
| ABM (n=13) | 3.6 (1.1–11.4) | 1.7 (0.1–5.4) | 37.9 (5.6–56.7) | 15.7 (7.0–34.4) |
| Aseptic (n=9) | 0.3 (0–2.7) | — | — | 25.7 (10.3–42.4) |
| Normal LP (n=19) | 0 (0–3.7) | — | — | 37.3 (10.7–97.8) |
| p Value (ANOVA) | 0.005 | 0.027 | <0.0001 | <0.0001 |
All results are median and range, except for %ADA2(mean and range). TBM=tuberculous meningitis; CM=cryptococcal meningitis; ABM= acute bacterial meningitis.
↵1-150 Three subjects with CM had %ADA2 >80%.