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. 2022 Mar 1;12(3):e053765. doi: 10.1136/bmjopen-2021-053765

Table 1.

Baseline characteristics, angiographic outcomes, procedural details and complications in mortality and survival at 90 days

Variable Mortality n=78 Survival n=432 P value
Age ≥70 49 (62.82) 198 (45.83) 0.0057
Sex (male) 44 (56.41) 250 (57.87) 0.8102
Diabetes mellitus 23 (29.49) 72 (16.67) 0.0074
Hypertension 51 (65.38) 259 (59.95) 0.3659
Hypercholesterolaemia 1 (1.28) 18 (4.17) 0.3611
Previous ischaemic stroke 11 (14.10) 59 (13.66) 0.9163
Peripheral artery disease 0 (0.00) 3 (0.69) 1.0000
Heart disease 44 (56.41) 221 (51.16) 0.3928
Atrial fibrillation 43 (55.13) 192 (44.44) 0.0815
Chronic heart failure 4 (5.13) 26 (6.02) 0.9632
Myocardial infarction 6 (7.69) 23 (5.32) 0.5717
Mechanical aorta and/or mitral valve rep 1 (1.28) 10 (2.31) 0.8773
Smoking 8 (10.26) 112 (25.93) 0.0027
Statin 4 (5.13) 37 (8.56) 0.3042
Antiplatelet agents 13 (16.67) 72 (16.67) 1.0000
Anticoagulant pretreatment 6 (7.69) 34 (7.87) 0.9571
NIHSS score on admission ≥17 60 (76.92) 214 (49.54) <0.0001
NIHSS score after thrombectomy (24±6 hours) ≥11 72 (92.31) 197 (45.60) <0.0001
ASPECTS <9 47 (61.04) 201 (46.74) 0.0208
Intravenous thrombolysis 40 (51.28) 227 (52.55) 0.8370
Glucose level ≥130 mg/dL 50 171 <0.0001
Location of intracranial artery occlusion
 ICA 40 (51.28) 142 (32.87) 0.0075
 M1 middle cerebral artery segment 32 (41.03) 248 (57.41)
 M2 middle cerebral artery segment 6 (7.69) 42 (9.72)
Cause of stroke
 Cardioembolic 39 (50.00) 189 (43.75) 0.510
 Large-artery occlusion 14 (17.95) 76 (17.59)
 Undetermined 25 (32.05) 167 (38.66)
Anaesthesia
 Local anaesthesia 27 (35.06) 158 (37.26) 0.2423
 Sedation 18 (23.38) 129 (30.42)
 General anaesthesia 32 (41.56) 137 (32.31)
 Extracranial stent placement 2 (2.56) 37 (8.56) 0.0664
 Intracranial stent placement 11 (14.10) 37 (8.56) 0.1232
Procedural complications
 Vessel dissection 2 (2.56) 6 (1.39) 0.7843
 Contrast extravasation 3 (3.85) 7 (1.62) 0.3891
 Embolisation into a new territory 14 (17.95) 40 (9.26) 0.0217
 Femoral access complications 0 (0.00) 1 (0.23) 1.0000
 Symptomatic ICH 16 (20.51) 11 (2.55) <0.0001

ASPECTS, Alberta Stroke Program Early Computed Tomography Score; ICA, internal carotid artery; ICH, intracranial haemorrhage; NIHSS, National Institutes of Health Stroke Scale.