Results of serological and diagnostic PCR assays (n = 50)
| Cerebrospinal fluid serology | |||
|---|---|---|---|
| VDRL/FTA-ABS IgG + (n = 35) | VDRL/FTA-ABS IgG − (n = 10) | VDRL negative, FTA-ABS IgG + (n = 5) | |
| FTA-ABS, fluorescent treponemal antibody absorption; VDRL, Venereal Disease Research Laboratory; +, positive; –, negative. | |||
| PCR + | 23 | 5 | 0 |
| − | 12 | 5 | 5 |