Table 3.
Summary of Diagnostic Accuracy Findings
| Quantity of evidence | Summary estimates | ||||
|---|---|---|---|---|---|
| Sample | Test type | Cohorts, n | Participants, n | Sensitivity, % (95% CI) | Specificity, % (95% CI) |
| Serum | LA | 5 | 256 | 100 (99.5–100)a | 96.7 (93.8–98.9)a |
| LFA | 3 | 1690 | 97.9 (87.9–100)a | 89.5 (74.3–98.5)a | |
| Overall serum CrAg | 8 | 1946 | 99.7 (97.4–100)b | 94.1 (88.3–98.1)b | |
| P valuec | 8 | - | .08 | .16 | |
| CSF | LA | 10 | 1810 | 97.1 (91.9–99.0)b | 99.1 (93.8–99.9)b |
| LFA | 6 | 3099 | 99.5 (97.2–99.9)b | 99.5 (94.2–100)b | |
| Overall CSF CrAg | 16 | 3500 | 98.8 (96.2–99.6)b | 99.3 (96.7–99.9)b | |
| P valuec | 16 | - | .07 | .54 | |
Abbreviations: CI, confidence interval; CrAg, cryptococcal antigen; CSF, cerebrospinal fluid; LA, latex agglutination; LFA, lateral flow assay.
aUnivariate random-effects model.
bBivariate random-effects model.
cUnivariate logit-normal random-effects meta-regression model.