Table 1.

Background characteristics of patients with and without GI bleeding

	GI bleeding (n = 89)	No GI bleeding (n = 6,440)	p
Age, years	76 (70–83)	73 (64–81)	0.01
Male	53 (59.6)	3,845 (59.7)	1.00
Prestroke mRS score	0 (0–2)	0 (0–1)	0.046
Body mass index	21.9 (19.2–24.8)	22.7 (20.4–25.1)	0.07
Risk factors
Hypertension	68 (76.4)	5,059 (78.6)	0.60
Dyslipidemia	26 (29.2)	3,197 (49.6)	<0.001
Diabetes mellitus	31 (34.8)	1,975 (30.7)	0.42
Atrial fibrillation	32 (36.0)	1,613 (25.0)	0.03
Current smoker	45 (50.6)	3,264 (50.7)	1.00
Current alcohol drinker	33 (37.1)	2,234 (34.7)	0.66
Previous history
Stroke	21 (23.6)	1,397 (21.7)	0.70
Peptic ulcer	27 (30.3)	379 (5.9)	<0.001
Stroke subtypes
Cardioembolic	30 (33.7)	1,435 (22.3)	0.01
Baseline NIHSS score	6 (3–13)	3 (1–6)	<0.001
Prestroke treatment
Antiplatelet	28 (31.5)	1,917 (29.8)	0.73
Anticoagulant	12 (13.5)	618 (9.6)	0.21
Steroid	5 (5.6)	141 (2.2)	0.049
NSAIDs	4 (4.5)	266 (4.1)	0.79
Statin	23 (25.8)	2,483 (38.6)	0.02
Poststroke treatment
Thrombolytic agent	9 (10.1)	454 (7.0)	0.29
Antiplatelet	59 (66.1)	5,039 (78.2)	0.01
Anticoagulant	74 (83.1)	4,752 (73.8)	0.051
H2RA or PPI	60 (67.4)	4,226 (65.6)	0.82

Values are median (interquartile range) or n (%). mRS = Modified Rankin Scale.