HD+ | SE (i-scan1) | SE+TE (i-scan2) | ||||
Kappa | P values | Kappa | P values | Kappa | P values | |
Visual grade | 0.616±0.073 | 0.0000 | 0,631±0.078 | 0.0000 | 0.683±0.094 | 0.0000 |
Vascular pattern | 0.261±0.084 | 0.0010 | 0.228±0.101 | 0.0119 | 0.303±0.071 | 0.0000 |
HD+, high-definition bronchoscopy; SE, surface enhancement; TE, tone enhancement.