Table 4. Subgroup analysis of DBS-serum pairs in HIV positive participants.
Test | No. of samples tested | No. of samples positive in DBS and serum | No. of samples negative in DBS and serum | Sensi-tivity | 95% CI; upper and lower limit of sensitivity | Speci-ficity | 95% CI; upper and lower limit of specificity |
---|---|---|---|---|---|---|---|
T. pallidum Ig | 36 | 12 | 24 | 92% | 74–100% | 100% | 79%–100% |
HBsAg | 38 | 1 | 37 | 100% | 3%–100% | 100% | 91%–100% |
Subgroup analysis of DBS-serum pairs in HIV positive participants (95% CI–95% confidence interval).