Differences in characteristics of colorectal neoplasm between young and elderly Thais

Table 2 Age groups and colonoscopic findings

Colonoscopic	Younger age group	Older age group	Total
finding	(< 60 yr) (%)	(≥60 yr) (%)	n	%
Normal	42.9	33.6	704	38.6
Colorectal polyps	12.8	25.2	337	18.5
-colorectal adenoma	7.0	14.0	185	10.5
-nonadenoma	5.8	11.2	152	8.0
Colorectal cancer	5.1	7.1	109	6.0
IBD	2.4	1.0	33	1.8
Other diagnoses	36.8	33.0	639	35.1
Total (%)	100	100		100
N	989	833	1822