Table 3.

Completion Rate, Site Visualized, Depth Reached, Complications

MCE (n = 48)FS (n = 35)
Procedure completed40 (83.3)24 (75.0)
Reasons for noncompletion
    Bleeding0 (0.0)0 (0.0)
    Discomfort4 (8.3)4 (11.4)
    Excessive looping0 (0.0)0 (0.0)
    Poor preparation3 (6.3)0 (0.0)
    Obstructing mass2 (4.2)0 (0.0)
    Not specified0 (0.0)7 (63.6)
Reached maximum depth* (160 cm for ME/60 cm for FS)9 (18.8)14 (40.0)
Anatomical site visualized*
    Sigmoid colon0 (0.0)1 (2.9)
    Descending colon0 (0.0)11 (31.4)
    Splenic flexure2 (4.2)12 (34.3)
    Transverse colon6 (12.5)9 (25.7)
    Hepatic flexure1 (2.1)0 (0.0)
    Ascending colon35 (72.9)0 (0.0)
    Cecum3 (6.3)0 (0.0)
Maximum depth (cm) for procedure*†
    0–200 (0.0)1 (2.9)
    21–400 (0.0)6 (17.1)
    41–603 (6.3)28 (80.0)
    61–801 (2.1)0 (0.0)
    81–1003 (6.3)0 (0.0)
    101–1207 (14.6)0 (0.0)
    121–14015 (31.3)0 (0.0)
    141–16019 (39.6)0 (0.0)
Complications reported (bleeding, infection, perforation, and other)0 (0.0)0 (0.0)

  • * P < .05

  • † For MCE: mean, 130.1; SE, 30.1. For FS: mean, 50.6; SD, 10.0.

  • All data presented as N (%). MCE, modified colon endoscopy; FS, flexible sigmoidoscopy.