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. Author manuscript; available in PMC: 2014 Jul 1.
Published in final edited form as: Am J Gastroenterol. 2013 Dec 3;109(1):68–75. doi: 10.1038/ajg.2013.387

Table 3.

Performance Characteristics: All Polyps

WLE HRME p-value
Sensitivity 96.6% (92.7% - 100%) 94.1% (88.7% - 99.8%) 0.3286
Specificity 39.2% (28.8% - 53.2%) 94.7% (89.8% - 99.6%) p < 0.0001
PPV 55.0% (47.8% - 63.2%) 86.9% (82.1% - 92.0%) p < 0.0001
NPV 92.4% (85.2% - 100%) 91.3% (87.0% - 95.8%) 0.7536
Accuracy 64.8% (58.4% - 71.9%) 94.1% (91.0% - 97.3%) p < 0.0001

All values are diagnostic accuracy measures with 95% confidence interval in parenthesis.