TABLE 1.

Performance of two rapid whole-blood tests for H. pylori

Test and CIa	Sensitivity (%)	Specificity (%)	Predictive value (%)
			Positive	Negative
FlexPack HP	81.8	83.6b	85.7c	79.2
95% CI	72.2–89.2	73.1–91.2	76.4–92.4	68.5–87.6
Helisal One-Step	84.1	63.0b	73.3c	76.7
95% CI	74.8–91.0	50.9–74.0	63.5–81.6	64.0–86.6

^aCI, confidence interval. 

^bP = 0.008. 

^cP = 0.047.