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. 2017 Oct 20;12(10):e0186722. doi: 10.1371/journal.pone.0186722

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).