Risk scoring system combined with traditional Chinese medicine constitution identification improves colorectal advanced neoplasms screening effectiveness for early colonoscopy

Table 5 Distribution of lesion characteristics and traditional Chinese medicine constitutions in the average-risk and moderate-risk groups

Lesion characteristics	Average risk					Moderate risk
	n (%)	Class 1		Class 2		n (%)	Class 1		Class 2
		TCM constitution (negative)	TCM constitution (positive)	TCM constitution (negative)	TCM constitution (positive)		TCM constitution (negative)	TCM constitution (positive)	TCM constitution (negative)	TCM constitution (positive)
Negative	358 (96.8)	348	10	329	29	700 (92.7)	660	40	613	87
Advanced adenoma	12 (3.2)	9	3	5	7	52 (6.9)	39	13	30	22
Colorectal cancer	0 (0.0)	0	0	0	0	3 (0.4)	2	1	1	2
Total	370 (100.0)	357	13	334	36	755 (100.0)	701	54	644	111

Class 1: Damp-heat and qi-deficiency were positive while other constitutions were negative; Class 2: Yang-deficiency, damp-heat, qi-deficiency, phlegm-dampness, and inherited special constitution were positive and other constitutions were negative; TCM: Traditional Chinese medicine.