Diagnostic Accuracy of Magnifying Endoscopy with Narrow Band Imaging and Its Diagnostic Value for Invasion Depth Staging in Esophageal Squamous Cell Carcinoma: A Systematic Review and Meta-Analysis

Table 3

Metaregression analysis of ME-NBI, HF-EUS, and WLI for the diagnostic accuracy of invasion depth staging in ESCC.

Parameter	Estimate (95% CI)	Coef
Sensitivity
Country	0.84 [0.73−0.91]	1.67	0.48	0.63
Method	0.83 [0.73−0.90]	1.60	0.09	0.93
Equipment	0.74 [0.59−0.85]	1.04	−2.06	0.04
Specificity
Country	0.88 [0.80−0.93]	2.01	0.62	0.54
Method	0.87 [0.80−0.92]	1.93	0.10	0.92
Equipment	0.77 [0.68−0.84]	1.18	−3.49	0.00
Parameter	-squared (95% CI)	LRTChi		value
Joint Model
Country	0.00 [0.00−100.00]	0.47		0.79
Method	0.00 [0.00−100.00]	0.03		0.99
Equipment	83.12 [64.35−100.00]	11.85		0.00