Table 1

Group comparison according to the neurointerventionalist’s opinion on potential influence of vasospasm regarding the clinical outcome in patients with stroke after EVT (group 1: yes, vasospasm potentially influences the patient’s outcome, group 2: no, vasospasm does not influence the patient’s outcome)

Group 1 N=281Group 2 N=253P value
Years of experience in EVT, n (%)
answered: 534, missing: 0
< 115 (5.34)9 (3.56)0.404
1-576 (27.05)58 (22.92)0.318
5-1079 (28.11)72 (28.46)1.00
> 10111 (39.5)114 (45.06)0.219
Region where participants are currently practising per continent, n (%)
North America26 (9.25)42 (16.60) 0.033
South America21 (7.47)13 (5.14)0.418
Europe116 (41.28)112 (44.27)0.554
Australia5 (1.78)3 (1.19)0.74
Asia111 (39.50)81 (32.02)0.16
Africa2 (0.71)2 (0.79)1.00
Specialty, n (%)
answered: 532, missing: 2
Interventional neuroradiologist136 (48.75)130 (51.38)0.602
Interventional neurologist78 (27.76)75 (29.64)0.631
Endovascular surgeon41 (14.59)32 (12.65)0.53
Interventional radiologist9 (3.20)10 (3.95)0.816
Other15 (5.34)6 (2.37)0.117
Current position, n (%)
answered: 531, missing: 3
Fellow21 (7.53)20 (7.94)0.872
Resident17 (6.09)8 (3.17)0.151
Attending89 (31.90)102 (40.48) 0.038
Consultant126 (45.16)109 (43.25)0.727
Head of Department/Service26 (9.32)13 (5.61)0.095
Number of thrombectomies performed, n (%)
answered: 532, missing: 2
< 5063 (22.42)27 (10.67) < 0.001
50–10038 (13.52)38 (15.02)0.71
100–20056 (19.93)37 (14.62)0.111
> 200123 (43.77)150 (59.29) <0.001
Gender, n (%)
answered: 530, missing: 3
Male224 (80.29)186 (74.10)
Female54 (19.35)64 (25.50)0.101
Diverse/Other1 (0.36)2 (0.80)
  • Demographic questions.

  • significant p-values are in bold

  • EVT, endovascular stroke treatment.