Table 2.

Diagnostic values of sTREM-1 and CRP for detection of H. pylori infection

Diagnostic values	sTREM-1	CRP
Sensitivity (95% CI)	82% (71.30–89.25)	62% (50.26–72.31
Specificity (95% CI)	75% (63.64–83.80)	40% (28.44–50.87)
Positive Predictive Value (95% CI)	77% (69.02–83.01)	51% (44.87–57.14)
Negative Predictive Value (95% CI)	80% (70.99–86.34)	50% (40.38–59.62)
LR− (95% CI)	0.25 (0.015–0.40)	0.98 (0.66–1.44)
LR+ (95% CI)	3.3 (2.17–4.77)	1.02 (0.79–1.30)
Accuracy	78%	51%

sTREM-1, soluble triggering receptor expressed on myeloid cells; CRP, C-reactive protein; H. pylori, Helicobacter pylori; LR−, negative likelihood ratio; LR+, positive likelihood ratio; CI, confidence interval