Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Oct 21, 2012; 18(39): 5560-5569
Published online Oct 21, 2012. doi: 10.3748/wjg.v18.i39.5560
Table 3 Performance comparison between automated probe-based confocal laser endomicroscopy classification and off-line expert diagnosis of probe-based confocal laser endomicroscopy, for the differentiation between neoplastic and non-neoplastic colonic polyps
Automated pCLE classificationOff-line expert diagnosis of pCLE
Accuracy
%89.689.6
Fraction121/135121/135
Sensitivity
%92.591.4
Fraction86/9385/93
Specificity
%83.385.7
Fraction35/4236/42
Statistical significance between (1) and (2)
McNemar’s test, alpha = 0.05
Accuracy: (P, power)(Not significant, 2.5%)
Sensitivity: (P, power)(Not significant, 6.5%)
Specificity: (P, power)(Not significant, 5.2%)
Statistical equivalence between (1) and (2)
Two-sided Z test
95% CI for accuracy-0.073-0.073
95% CI for sensitivity-0.068-0.089
95% CI for specificity-0.18-0.13