Prevalence of Gastric and Small-Intestinal Mucosal Injury in Elderly Patients Taking Enteric-Coated Aspirin by Magnetically Controlled Capsule Endoscopy

Table 1

Demographic and clinical characteristics of patients taking enteric-coated aspirin.

Item	Elderly group	Middle-aged group	value (chi-squared test, Fisher’s exact test, independent bk?>samples -test, or Mann-Whitney’s -test)
	Age (, years)
Male/female ()	22/12	27/7
BMI (, kg/m^2)
Aspirin using period (median (IQR), month)	30.0 (12.0, 120.0)	10.5 (2.0, 48.0)
Gastric Lanza score (median (IQR))	2.0 (2.0, 3.0)	2.0 (1.0, 3.0)
Gastric larger erosions and/or ulcer ( (%))	7 (20.5)	6 (17.6)
Gastric controlled examination time (, min)
Small-intestinal mucosal injury (at least one erosion and/or ulcer, (%))	30 (88.2)	15 (44.1)
Small-intestinal mucosal injury (larger erosions and/or ulcer, (%))	11 (32.4)	3 (8.8)
Small intestinal transit time (, min)
Digestive ulcer history ( (%))	3 (8.8)	5 (14.7)
Hypertension ( (%))	23 (67.6)	21 (61.8)
Diabetes mellitus ( (%))	14 (41.2)	9 (26.5)
Coronary artery disease ( (%))	17 (50.0)	12 (35.3)
Atrial fibrillation ( (%))	1 (2.9)	1 (2.9)
Cerebral infarction ( (%))	3 (8.8)	2 (5.9)
Hyperlipemia ( (%))	11 (32.4)	13 (38.)
Positive FOBT ( (%))	3 (8.8%)	2 (5.9%)
Haemoglobin (, g/L)
Urea (, mmol/L)

SD, standard deviation; IQR, interquartile range; BMI, body mass index; FOBT: fecal occult blood test.