Table 3.
Endoscopic methods | Patients | Pathological diagnosis | Sensitivity (%) | Specificity (%) | Consistency (%) | Kappa | |
---|---|---|---|---|---|---|---|
| |||||||
Non-cancerous lesions (n=224) | Cancerous lesions (n=25) | ||||||
White light magnification | 72.0 | 95.5 | 93.2 | 0.642 | |||
Non-cancerous lesions | 221 | 214 | 7 | ||||
Cancerous lesions | 28 | 10 | 18 | ||||
BLI-contrast magnification | 92.0 | 98.2 | 97.6a | 0.871 | |||
Non-cancerous lesions | 222 | 220 | 2 | ||||
Cancerous lesions | 27 | 4 | 23 | ||||
BLI-bright magnification | 92.0 | 99.1 | 98.4a | 0.911 | |||
Non-cancerous lesions | 224 | 222 | 2 | ||||
Cancerous lesions | 25 | 2 | 23 |
Compared with the single magnification of white light,
p<0.05