Narrow-band imaging without magnification for detecting early esophageal squamous cell carcinoma

doi:10.3748/wjg.v17.i39.4408

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Gastroenterol. Oct 21, 2011; 17(39): 4408-4413
Published online Oct 21, 2011. doi: 10.3748/wjg.v17.i39.4408

Table 3 Comparison of performance across methods (95% confidence interval) (%)

	Conventional endoscopic examination	NBI	Lugol’s solution
Sensitivity	66.7 (35.9-97.5)	100 (100-100)	100 (100-100)
Specificity	100 (100-100)	86.7 (80.6-92.7)	72.5 (64.5-80.5)
PPV	100 (100-100)	36 (17.2-54.8)	21.4 (9.0-33.8)
NPV	97.6 (98.4-100)	100 (100-100)	100 (100-100)
Accuracy	97.7 (95.1-100)	87.6 (81.9-93.3)	74.4 (66.9-81.9)
PLR	n/c	7.5	3.6
NLR	0.33	0	0

NBI: Narrow-band imaging; PPV: Positive predictive value; NPV: Negative predictive value; PLR: Positive likelihood ratio; NLR: Negative likelihood ratio; n/c: Not calculable.

Citation: Ide E, Maluf-Filho F, Chaves DM, Matuguma SE, Sakai P. Narrow-band imaging without magnification for detecting early esophageal squamous cell carcinoma. World J Gastroenterol 2011; 17(39): 4408-4413
URL: https://www.wjgnet.com/1007-9327/full/v17/i39/4408.htm
DOI: https://dx.doi.org/10.3748/wjg.v17.i39.4408