Clinical Study

Blue Laser Imaging-Bright Improves Endoscopic Recognition of Superficial Esophageal Squamous Cell Carcinoma

Figure 4

Subjective evaluation. Statistical comparison of the ranking score of O-WLI, F-WLI, NBI, and BLI-bright images for quality of ESCC visualization (Wilcoxon signed-rank test). Numbers above each row denote the numbers of ESCCs. .