Table 2 Results of in-hospital evaluation of TIA patients, per ABCD² score category

Small infarcts on DWI, n (%)

14 (12)

8 (12)

2 (5)

4 (36)

0.285

New risk factor recognized during admission, n (%)

38 (31)

16 (24)

16 (37)

6 (55)

0.024*

 Carotid stenosis >50%

16 (13)

5 (7)

8 (19)

3 (27)

0.028*

 Other arterial occlusive lesions

7 (6)

4 (6)

3 (7)

0 (0)

0.653

 Hypercholesterolemia

9 (7)

3 (4)

3 (7)

3 (27)

0.028*

 Hypertension

1 (0.8)

1 (1)

0 (0)

0 (0)

0.413

 Diabetes

1 (0.8)

1 (1)

0 (0)

0 (0)

0.413

 Cardioembolic source

4 (3)

2 (3)

2 (5)

0 (0)

0.909

In-hospital intervention (IHI), n (%)

12 (10)

7 (10)

4 (9)

1 (9)

0.837

 Revascularization due to ipsilateral carotid stenosis >50%

9 (7)

4 (6)

4 (9)

1 (9)

0.540

 Anticoagulation due to other arterial occlusive lesions

2 (2)

2 (3)

0 (0)

0 (0)

0.245

 Anticoagulation due to cardioembolic source

1 (0.8)

1 (1)

0 (0)

0 (0)

0.413

Length of hospitalization, days, mean (SD)

2.1 (2.1)

1.7 (1.3)

2.3 (2.9)

3.5 (2.3)

0.024*