Table 4.

Univariate analysis: composite outcome and associated factors among patients with DWI-neg TIA and DWI-pos TIA.

	Negative outcome event N = 143	Positive outcome event N = 19	P-Value
Demographic Information
Gender (% of males)	72 (50.3%)	12 (63.2%)	0.336
Age, mean ± SD	73.1 ± 12.8	80.4 ± 8.5	0.017*
Past medical history
Diabetes mellitus	45 (31.5%)	9 (47.4%)	0.198
Hypertension	120 (83.9%)	19 (100%)	0.078
Atrial fibrillation, PAF†, flutter	25 (20.3%)	5 (26.3%)	0.553
Hyperlipidemia	126 (88.1%)	18 (94.7%)	0.698
Previous history of stroke	36 (25.2%)	8 (41.2%)	0.167
Previous history of TIA	36 (25.2%)	5 (26.3%)	0.999
Peripheral vascular disease	19 (13.3%)	6 (31.6%)	0.082
Coronary artery disease (CAD)	64 (44.8%)	11 (57.9%)	0.332
Patent foramen ovale	14 (20.3%)	2 (25%)	0.668
Intracranial arterial disease	46 (46.0%)	11 (68.8%)	0.111
COPD‡	29 (20.3%)	4 (21.1%)	0.999
Carotid disease
<50% Stenosis	69 (48.3%)	11 (57.9%)	0.191
50–70% Stenosis	18 (12.6%)	4 (21.1%)
>70% Stenosis	8 (5.6%)	2 (10.5%)
Tobacco use	30 (21.0%)	4 (21.1%)	0.999
Alcohol use	47 (32.9%)	4 (21.1%)	0.431
Seizure disorder	0 (0.0%)	1 (5.3%)	0.117
Migraine	10 (7.0%)	2 (10.5%)	0.635
Autoimmune disease	5 (3.5%)	0 (0.0%)	0.999
Coagulation disorders	8 (5.6%)	0 (0.0%)	0.598
History of cancer	33 (23.1%)	7 (36.8%)	0.255
Kidney disease	33 (23.1%)	7 (36.8%)	0.255
Currently on dialysis	1 (0.7%)	0 (0.0%)	0.999
Psychiatric illness	43 (30.1%)	8 (42.1%)	0.302
Antiplatelet use (pre-hospitalization)	93 (65.0%)	14 (73.7%)	0.608
Oral anticoagulant (pre-hospitalization)	17 (11.9%)	2 (10.5%)	0.999
Imaging study results
WMD¥ on MRI Fazekas score
Low	47 (43.1%)	5 (27.8%)	0.076
Moderate	32 (29.4%)	6 (33.3%)
Severe	18 (16.5%)	7 (38.9%)
§ABCD2 score
≤ 3	58 (40.6%)	5 (26.3%)	0.318
3 <	85 (59.4%)	14 (73.7%)

^§ABCD², (Age, Blood pressure, Clinical, Duration, Diabetes).

^†PAF, Paroxysmal Atrial Fibrillation.

^‡COPD, Chronic Obstructive Pulmonary Disease;

^¥WMD, White Matter Disease.