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 2

Metaregression analysis of ME-NBI diagnostic accuracy.

Parameter	Estimate (95% CI)	Coef
Sensitivity
Disease type	0.81 [0.67–0.90]	1.43	−0.01	0.99
Country	0.84 [0.69–0.93]	1.69	−0.01	0.99
Doctor	0.91 [0.74–0.97]	2.33	0.90	0.37
Specificity
Disease type	0.93 [0.82–0.97]	2.51	0.92	0.36
Country	0.91 [0.81–0.96]	2.31	0.61	0.54
Doctor	0.89 [0.78–0.95]	2.09	−0.71	0.48
Parameter	-squared (95% CI)	LRTChi		value
Joint Model
Disease type	82.58 [63.08–100.00]	11.48		0.00
Country	63.02 [16.71–100.00]	5.41		0.07
Doctor	0.00 [0.00–100.00]	1.47		0.48