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

doi:10.3748/wjg.v17.i39.4408

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Oct 21, 2011 (publication date) through Nov 25, 2024

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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 4 Comparison of diagnostic performance of the three procedures for lesions < 10 mm and > 10 mm (%)

	Conventional examination		NBI		Lugol’s solution
	<10 mm	>10 mm	<10 mm	>10 mm	<10 mm	>10 mm
Sensitivity (95% CI)	0 (0-0)	85.7 (59.8-100)	100 (100-100)	100 (100-100)	100 (100-100)	100 (100-100)
Specificity (95% CI)	100 (100-100)	100 (100-100)	90 (84.6-95.4)	96.7 (93.5-100)	75.8 (68.2-83.5)	96.7 (93.5-100)
PPV (95% CI)	n/c	100 (100-100)	14.3 (4.0-32.6)	63.6 (35.2-92.1)	6.5 (2.2-15.1)	63.6 (35.2-92.1)
NPV (95% CI)	98.4 (96.1-100)	99.20 (97.6-100)	100 (100-100)	100 (100-100)	100 (100-100)	100 (100-100)
Accuracy (95% CI)	98.4 (96.1- 100)	99.2 (97.6-100)	90.2 (84.9-95.4)	96.9 (93.8-100)	76.2 (68.7-83.8)	96.9 (93.8-99.9)
PLR	n/c	n/c	10	30	4.1	30
NLR	1	0.1	0	0	0	0

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

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