Clinical Study

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

Figure 5

Objective evaluation. Statistical comparison of the mean CDS of O-WLI, F-WLI, NBI, and BLI-bright images for quality of ESCC visualization (Wilcoxon signed-rank test). n.s.: not significant. , .