Quantitative Diagnosis of Atrophic Gastritis by Probe-Based Confocal Laser Endomicroscopy

Table 2

Diagnostic efficiency of pCLE and WLI on atrophic or nonatrophic gastritis.

		Histology (n)				Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)
		NAG	CAG	Kappa	(McNemar)
pCLE (n)	NAG	145	24			90.3	78.8	85.1	85.8
	CAG	39	223	0.698	0.07
WLI (n)	NAG	75	11		<0.05	95.6	41.0	68.7	87.2
	CAG	108	237	0.393