Table 4.

Composition ratio and prevalence of patients with HGD polyp.

Characteristics	Entire colon			Rectosigmoid colon
	Patients with small and diminutive polyp (<10 mm), %	Patients with large polyp (≥10 mm), %	P-value*	Patients with small and diminutive polyp (<10 mm), %	Patients with large polyp (≥10 mm), %	P-value*
Composition ratio	63.24 (43/68)	36.76 (25/68)	0.0036	47.37 (18/38)	52.63 (20/38)	0.8185
Prevalence	1.35 (43/3,179)	0.79 (25/3,179)	0.0382	0.57 (18/3,179)	0.63 (20/3,179)	0.8707

If a patient has both large and small polyps, he/she is classified into the large polyp group.

*P-value from two-sample proportion tests.