From: Comparative study of Revogene GBS LB assay and GeneXpert GBS LB assay for the detection of group B Streptococcus in prenatal screening samples
Xpert
Positive
Negative
Total
Revogene
50
7
57
1
192
193
51
199
250
95% CI
Positive Percent Agreement
98.0%
89.6 to 99.7%
Negative Percent Agreement
96.5%
92.9 to 98.3%
Overall agreement
96.8%
93.8 to 98.4%