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Table 1 Demographic and characteristic data of patients

From: Comparison of the perioperative time courses of matrix metalloproteinase-9 (MMP-9) and its inhibitor (TIMP-1) during carotid artery stenting (CAS) and carotid endarterectomy (CEA)

Parameters

CEA

CAS

Patient number

30

25

Age (year)

65 ± 8

60 ± 7

Gender (male/female)

20/10

16/9

Laterality (right/left)

15/15

13/12

Degree of stenosis

83 ± 7.8%

79 ± 7.5%

Contralateral stenosis > 50% n (%)

8 (26.7)

9 (36)

Symptomatic ICA stenosis n (%)

16 (53.3)

17 (68)

Previous stroke n (%)

6 (20)

5 (20)

Time since stroke (months)

28 ± 10

27 ± 18

Previous transient ischaemic attack n (%)

10 (33.3)

12 (48)

Time since transient ischaemic attack (months)

6 ± 4

6 ± 3

Previous ipsilateral ICA procedure n (%)

4 (13.3)

7 (28)

Coexisting diseases

 Hypertension n (%)

29 (96.7)

23 (92)

 Non-insulin-dependent diabetes mellitus n (%)

9 (30)

3 (12)

 Insulin-dependent diabetes mellitus n (%)

3 (10)

2 (8)

 Hyperlipidaemia n (%)

20 (66.7)

14 (56)

 History of smoking n (%)

10 (33.3)

8 (32)

Medications

 Acetyl salicylic acid n (%)

16 (53.3)

20 (80)

 ADP receptor antagonists n (%)

13 (43.3)

8 (32)

 Lipid lowering agents n (%)

20 (66.7)

15 (60)

Intraoperative complications

 Hypertension n (%)

9 (30)

1 (4)

 Hypotension n (%)

8 (26.7)

1 (4)

 Transient shunt n (%)

3 (10)

0 (0)

 Bleeding (> 100 ml) n (%)

2 (6.7)

0 (0)

 Transient ischaemia n (%)

4 (13.3)

0 (0)

 Stroke n (%)

0 (0)

0 (0)

Postoperative complications

 Bleeding (> 100 ml) n (%)

2 (6.7)

1 (4)

 Transient ischaemia n (%)

2 (6.7)

0 (0)

 Stroke n (%)

0 (0)

0 (0)

  1. Data are presented as the mean ± standard error of mean
  2. ICA internal carotid artery, ADP adenosine diphosphate