TABLE 5.

Age distribution of adenoma location, amount, size, and shape.

	<60 years old	Of those, HGD (%)	≥60 years old	Of those, HGD (%)
Location	<0.001
Proximal	2,216, 41.32%	16, 0.72	2,024, 47.26%	31, 1.53
Distal	3,147, 58.68%	70, 2.22	2,259, 52.74%	102, 4.52
Amount	<0.001
1	3,301, 61.55%	36, 1.09	1,959, 45.74%	37, 1.89
>1	2,062, 38.45%	50, 2.42	2,324, 54.26%	96, 4.13
Size	<0.001
≤1 cm	4,284, 79.88%	11, 0.26	3,177, 74.18%	15, 0.47
1–2 cm	913, 17.02%	41, 4.49	893, 20.85%	57, 6.38
2–3 cm	118, 2.20%	18, 15.25	142, 3.32%	29, 20.42
>3 cm	48, 0.90%	16, 33.33	71, 1.66%	32, 45.07
Morphology	<0.001
Pedunculated	1,614	46, 2.85	1,280	52, 4.06
Sessile	3,749	40, 1.07	3,003	81, 2.70
Flat	5,363	86, 1.60	4,283	133, 3.11