Association between Nonalcoholic Fatty Liver Disease and Colon Polyps: A Case-Control Study in Taiwan

Table 1

Characteristics between cases with colon polyps and control subjects.

	Cases with colon polyps		Control subjects
	N = 16,890		N = 67,560
Variable	n	(%)	n	(%)	value
Sex					0.772
Male	10282	60.9	41046	60.8
Female	6608	39.1	26514	39.2
Age group (years)					0.581
20–39	1684	10.0	6725	10.0
40–64	10254	60.7	40796	60.4
65–84	4669	27.6	18811	27.8
≥85	283	1.7	1228	1.8
Age (years), mean ± standard deviation^†	57.4 ± 13.3		57.5 ± 13.4		0.356
Nonalcoholic fatty liver disease	161	1.0	278	0.4	<0.001
Comorbidities before index date
Cerebrovascular disease	1035	6.1	4059	6.0	0.558
Chronic kidney disease	775	4.6	2769	4.1	0.004
Chronic obstructive pulmonary disease	1481	8.8	5787	8.6	0.401
Coronary artery disease	2004	11.9	7888	11.7	0.493
Diabetes mellitus	2686	15.9	10763	15.9	0.929
Hyperlipidemia	3810	22.6	15111	22.4	0.594
Hypertension	6010	35.6	24050	35.6	0.971

Chi-square test. ^†t-test comparing cases with colon polyps and control subjects.