Table1. Patients’ characteristics and colonoscopy findings .

Variable		All (n=5427)
Age, mean years (SD)		48.3 (16.1)
Sex, Male/Female, n (%)		2499 (46.0)/2928 (54.0)
Indication, n (%)	Screening	1356 (25.0)
	Bleeding	824 (15.2)
	Abdominal pain	405 (7.5)
	Inflammatory bowel disease	462 (8.5)
	Irritable bowel syndrome	346 (6.3)
	Unspecified	2034 (37.5)
Preparation quality, n (%)	Excellent-to-Fair	4235(78.1)
	Poor-to-Unsatisfactory	522 (9.6)
	Unspecified	670 (12.3)
Cecal intubation, n (%)	Yes	4660 (86.0)
	No	767 (14.0)
Patients with at least 1 polyp, n (%)		2277 (42.0)
Cancer, n (%)		130 (2.4)