Risk factors for small bowel angioectasia: The impact of visceral fat accumulation

Table 1 Comparison between patients with and without small bowel angioectasia n (%)

Characteristics	With angioectasia	Without angioectasia	P value
	(n = 18)	(n = 180)
Age (yr)	64.7 ± 8.1	65.8 ± 13.2	0.701
Sex (male/female)	13/5	104/76	0.232
Body mass index (kg/m2)	22.6 ± 4.3	21.8 ± 3.9	0.391
CT measurement
Waist circumference (cm)	83.3 ± 11.6	80.0 ± 10.2	0.201
VFA (cm2)	96.0 ± 76.0	63.4 ± 51.5	0.021
SFA (cm2)	103.0 ± 68.6	97.8 ± 69.4	0.761
Subtype of OGIB2
Overt	9 (50)	114 (63)	0.272
Occult	9 (50)	66 (37)
Comorbidities
Chronic renal failure	4 (22)	17 (9)	0.112
Diabetes mellitus	5 (28)	35 (19)	0.402
Hypertension	7 (39)	70 (39)	1.002
Hyperlipidemia	3 (17)	23 (13)	0.712
Liver cirrhosis	11 (61)	39 (22)	< 0.012
Cause of hepatitis
HBV/HCV/non-B, non-C	1/6/4	6/22/11
Aortic stenosis	0 (0)	10 (6)	0.602
Medication
NSAIDs	1 (6)	27 (15)	0.482
Antiplatelet drugs	3 (5)	15 (11)	0.292
Anticoagulant drugs	3 (17)	29 (16)	1.002

Data are expressed as mean ± SD or n (%);

¹Unpaired Student’s t-test;

²Fisher’s exact probability test. HBV: Hepatitis B virus; HCV: Hepatitis C virus; NSAIDs: Nonsteroidal anti-inflammatory drugs; OGIB: Obscure gastrointestinal bleeding; SFA: Subcutaneous fat area; VFA: Visceral fat area.

Table 2 Multivariate analysis of risk factors for small bowel angioectasia (n = 198)

Variables	OR	95%CI	P value1
VFA (per 10 cm2)	1.1	1.02-1.19	0.021
Liver cirrhosis	6.1	2.20-18.50	< 0.001
Chronic renal failure	2.3	0.52-7.90	0.260

¹Logistic regression analysis. OR: Odds ratio; VFA: Visceral fat area.