Table 3.
Biochemical analysis of 22 CSF samples with VDRL-reactive, but TRUST-non-reactive
| WBC | Chloride | Sugar | Total protein | CSF-albumin | |||
|---|---|---|---|---|---|---|---|
| Clinical diagnosis* | Number of cases | VDRL titres | Range (n abnormal)† | Range (n abnormal)† | Range (n abnormal)† | Range (n abnormal)† | Range (n abnormal)† |
| Neurosyphilis | 16 | 1 : 1–1 : 4 | 0–18.8 (4) | 115–126 (7) | 3.57–6.54 (2) | 0.19–1.09 (2) | 0.14–0.87 (8) |
| Primary | 1 | 1 : 1 | 3.0 (0) | 123.0 (0) | 3.34 (0) | 0.36 (1) | 0.23 (0) |
| Secondary | 3 | 1 : 1 | 2–104.5 (2) | 121–122 (0) | 2.86–3.81 (0) | 0.32–0.44 (0) | 0.28–0.39 (3) |
| Latent | 2 | 1 : 1 | 0–14.5 (1) | 118–122 (1) | 3.45–4.28 (0) | 0.28–0.33 (1) | 0.22–0.25 (1) |
| Total/range | 22 | 1 : 1–1 : 4 | 0–104.5 (7) | 115–126 (8) | 2.86–6.54 (2) | 0.19–1.09 (4) | 0.14–0.87 (12) |
*Diagnosis was made by physician's presumptive diagnosis, pending laboratory tests.
†Number of samples with abnormal values.
CSF WBC: normal range 0–106/l.
CSF chloride: normal range 122–132 mmol/l.
CSF sugar: normal range 2.5–4.5 mmol/l.
CSF total protein: normal range 0.15–0.45 mg/l.
CSF-albumin: normal range 0.139–0.246 mg/l.
CSF-TRUST, toluidine red unheated serum test on cerebrospinal fluids; CSF-VDRL, venereal disease research laboratory test on cerebrospinal fluids; WBC, white blood cell count.