Diagnostic performance of spectrophotometric CSF inspection (UK National External Quality Assessment Service)
| Study | N | Sens (%) | 95% CI | Spec (%) | 95% CI | FNR (%) | 95% CI | FPR (%) | 95% CI |
| Perry et al 40 | 220 | 100 | 100 to 100 | 83.0 | 78.0 to 88.0 | 0.0 | 0.0 to 0.0 | 17.0 | 12.0 to 22.0 |
| Gangloff et al 36 | 706 | 100 | 100 to 100 | 98.1 | 96.8 to 99.1 | 0.0 | 0.0 to 0.0 | 1.9 | 0.9 to 2.9 |
| Cooper et al 7 | 309 | 100 | 100 to 100 | 96.8 | 94.8 to 98.7 | 0.0 | 0.0 to 0.0 | 3.3 | 0.1 to 5.2 |
| Pooled (n=3) | 1235 | 100 | 100 to 100 | 95.2 | 86.0 to 98.5 | 0.00 | 0.00 to 0.00 | 4.78 | 1.52 to 14.0 |
FNR, false negative rate; FPR, false positive rate; N, number; Sens, sensitivity; Spec, specificity.