Table 1

Baseline demographic and clinical characteristics of the patients in the different groups

BS group
n=81
AG group
n=39
AS group
n=38
Total
n=158
p Value
Age (year) (median (IQR))59 (37–79)60 (38–78)56 (37–73)58 (37–79)0.195
Male (n (%))63 (77.8)30 (76.9)33 (86.8)126 (79.7)0.456
Medical history (n (%))
 Hypertension56 (69.1)27 (69.2)26 (68.4)109 (69.0)0.996
 Hyperlipidemia49 (60.5)24 (61.5)21 (55.3)94 (59.5)0.826
 Diabetes mellitus31 (38.3)11 (28.2)11 (28.9)53 (33.5)0.434
 Myocardial infarction17 (21.0)6 (15.4)3 (7.9)26 (16.5)0.195
 Stroke history25 (30.9)11 (28.2)8 (21.1)44 (27.8)0.695
 Current or ex-smoker46 (56.8)22 (56.5)26 (68.4)94 (59.5)0.558
 Current or ex-alcoholism32 (39.5)21 (53.9)17 (44.8)70 (44.3)0.346
Baseline NIHSS score (median (IQR))0 (0–1)0.5 (0–3)0 (0–1)0 (0–1)0.342
Baseline mRS score (n (%))0.489
 017 (21.3)4 (10.5)8 (21.1)29 (18.6)
 157 (71.3)31 (81.6)25 (65.8)113 (72.4)
 26 (7.5)3 (7.9)5 (13.2)14 (9.0)
Vessel involved (n (%))0.516
 Intracranial ICA7 (8.6)5 (12.8)3 (7.9)15 (9.5)
 M19 (11.1)8 (20.5)5 (13.2)22 (13.9)
 V436 (44.4)10 (25.6)17 (44.7)63 (39.9)
 BA29 (35.8)16 (41.0)13 (34.2)58 (36.7)
Mean stenosis preprocedure (%) (mean (SD))81.02 (7.43)83.95 (9.36)82.11 (7.23)82.01 (7.94)0.167
Mean length of target lesion (mm) (mean (SD))5.58 (2.19)5.95 (1.77)7.58 (3.05)6.14 (2.45)0.000
Last onset event preprocedure (%)0.315
 TIA37 (45.7%)11 (28.2)19 (50.0)67 (42.4)
 Minor stroke38 (46.9%)23 (59.0)16 (42.1)77 (48.7)
 Stroke6 (7.4%)5 (12.8)3 (7.9)14 (8.9)
  • AG group, angioplasty group; AS group, angioplasty plus self-expanding stent group; BA, basilar artery; BS group, balloon mounted stent group; ICA, internal carotid artery; M1, the horizontal segment of the middle cerebral artery; mRS, modified Rankin Scale; NIHSS, National Institutes of Health Stroke Scale; TIA, transient ischemic attack; V4, the intradural segment of the vertebral artery.