Table 2. Patient clinical characteristics at enrollment (n = 1023).

Characteristic	No. of patients (%)
Indications for colonoscopy*
Family history of colorectal polyps
no	788 (77.0)
yes	164 (16.0)
unknown	71 (7.0)
Family history of colorectal cancer
no	684 (66.9)
yes	287 (28.0)
unknown	52 (5.1)
Rectal bleeding
no	724 (70.8)
yes	299 (29.2)
Abdominal pain
no	476 (46.5)
yes	547 (53.5)
Motility disturbance
no	528 (51.6)
yes	495 (48.4)
No. of polyps
1	639 (62.5)
2	240 (23.5)
3	90 (8.8)
4+	54 (5.2)
Anatomical site of the largest polyp
cecum and ascending colon	189 (18.5)
transverse colon	93 (9.1)
descending colon	97 (9.5)
sigmoid colon and rectum	644 (62.9)
Size of the largest polyp (cm)
<0.5	343 (33.5)
0.5–0.9	425 (41.5)
1.0–1.9	190 (18.6)
≥ 2	65 (6.4)

^*Multiple indications could be listed.