When should we perform colonoscopy to increase the adenoma detection rate?

Table 2 Factors related with higher adenoma detection rate

Category	Factors
Patient-related	Good Bowel preparation
	Age (Older age), gender (male)
	Obesity (Higher body mass index)
Endoscopist-related	Withdrawal time (> 6 min)
	Assist from nurses/additional observer
	Queue list numbers (Small)
	Overnight duty (Less or none)
	Number of colonoscopies allocated per hour (Less)
	Half-day or Full-day schedule (Half-day)
	Attending CMEs, conferences, frequent consultations (Less)
Device-related	Higher definition processors, endoscopes