Clinical Study

Novel Jumbo Biopsy Forceps for Surveillance of Inflammatory Bowel Disease: A Comparative Retrospective Assessment

Table 2

Comparison of biopsy size and quality between RJ4 and standard large diameter forceps.

RJ4 ( )Standard large diameter ( )

Diameter mean (mm)4.45 (95% CI: 4.25–4.64)4.55 (95% CI: 4.39–4.72)

Depth mean (mm)0.66 (95% CI: 0.64–0.68)0.55 (95% CI: 0.53–0.57)

Depth level
 Mucosa14% (48)10% (32)
 Muscularis mucosa67% (224)72% (221)
 Submucosa18% (61)19% (62)

Crush artifact
 Minimal91% (304)94% (316)
 Mild9% (29)5% (18)
 Severe0% (0)0% (1)

Acceptability for diagnosis
 Adequate89% (298)96% (316)
 Suboptimal9% (31)3% (9)
 Inadequate1% (4)1% (4)