TABLE 2

Performance of NAATs compared to consensus results for detection of GBS

MethodNo. of resultsaSensitivity (95% CI)Specificity (95% CI)
TPTNFPFN
Culture108353039 73.5% (65.8–80.0) 100.0% (98.9–100)
Panther Fusion14135126 95.9% (91.4–98.1) 99.4% (98.0–99.8)
Aries142340135 96.6% (92.3–98.6) 96.3% (93.8–97.8)
Xpert14134766 95.9% (91.4–98.1) 98.3% (96.3–99.2)
  • a TP, true positive; TN, true negative; FP, false positive; FN, false negative; CI, confidence interval.