Table 1 Baseline characteristics of all patients according to the protocol at admission and olfactory status at follow-up

Total, %

78

44 (56.4 %)

22 (28.2 %)

12 (15.4 %)

 Male

46

27 (58.7 %)

11 (23.9 %)

8 (17.4 %)

 Stroke type, ischemic

73

43 (58.9 %)

19 (26.0 %)

11 (15.1 %)

 NIHSS score on admission*

3.9 (3.8)

7.3 (4.3)

6.0 (5.0)

 Diabetes

9

4 (44.4 %)

2 (22.2 %)

2 (22.2 %)

 Myocardial infarction

9

4 (44.4 %)

5 (55.6 %)

–

 Angina pectoris

9

4 (44.4 %)

1 (11.1 %)

4 (44.4 %)

 Peripheral artery disease

3

1 (33.3 %)

2 (66.7 %)

–

 Leukoaraiosis

22

13 (59.1 %)

7 (31.8 %)

2 (9.1 %)

 Hypertension

39

21 (53.8 %)

10 (25.6 %)

8 (20.5 %)

 Earlier stroke

9

6 (66.7 %)

2 (22.2 %)

1 (11.1 %)

 Earlier transient ischemic attack (TIA)

5

2 (40 %)

2 (40 %)

1 (20 %)

 Smoking on admission

18

12 (66.7 %)

5 (27.8 %)

1 (5.6 %)

 Age ≥60 years at follow-up

57

33 (57.9 %)

15 (26.3 %)

9 (15.8 %)

 MMSE*

28.2 (2.1)

27.7 (2.5)

27.8 (2.5)

 HADS D*

2.7 (1.9)

2.9 (2.6)

3.4 (2.5)

 Smoking at follow up

9

6 (66.7 %)

3 (33.3 %)

–

 Problems breathing through nose

2

1 (50 %)

1 (50 %)

–

 Frequent sinusitis

2

1 (50 %)

1 (50 %)

–