Table 4.
Intraobserver agreement for the diagnosis of malignancy with WLE and NBI
WLE | NBI | |||
---|---|---|---|---|
Cohen’s kappa | Standard error | Cohen’s kappa | Standard error | |
Observer 1 | 0.924 | 0.074 | 1.000 | 0.000 |
Observer 2 | 0.844 | 0.105 | 1.000 | 0.000 |
Observer 3 | 0.739 | 0.141 | 0.864 | 0.093 |
Significance level: p = 0.531 for WLE vs. NBI over all three observers