Table 2:

Baseline characteristics and preinterventional imaging results of the studied patientsa

Characteristics and Results
Total No. of patients85
Sex (No.)37 Men/48 women
Age (yr)72.0 ± 12.9
Vascular risk factors (No.) (multiple choices possible)
    Atrial fibrillation50 (58.8%)
    Hypertension70 (82.4%)
    Diabetes24 (28.2%)
    High blood cholesterol levels53 (62.4%)
    Smoking19 (22.4%)
    Excessive alcohol intake1 (1.2%)
    Obesity7 (8.2%)
    Heart disease other than atrial fibrillation44 (51.8%)
Patients with previous ischemic stroke (No.)18 (21.2%)
Subtypes of ischemic stroke (No.)
    Major-risk source cardiogenic embolism51 (60.0%)
    Large-artery atherosclerotic stenosis16 (18.8%)
    ESUS17 (20.0%)
    Unusual (eg, dissection)1 (1.2%)
Initial NIHSS score13 (0–28)
Initial stroke imaging (No.)
    CT83
    DSA2
Occlusion site (No.)
    Internal carotid artery (intracranial)28 (32.9%)
    MCA, M1 segment36 (42.4%)
    MCA, M2 segment10 (11.8%)
    Basilar artery9 (10.6%)
    Anterior cerebral artery1 (1.2%)
    Posterior cerebral artery1 (1.2%)
Dense artery sign (n = 71 patients)b43 (60.6%)
Mean thrombus attenuation (HU) (67 patients)b58 (41–149)
Initial ASPECTS (in MCA ischemia; n = 64 patients)b10 (3–10)
Patients given IV tPA (No.)52 (61.2%)
OTT (n = 56 patients) (min)b172 (96–782)

  • Note:—OTT indicates time interval between symptom onset and start of thrombectomy.

  • ↵a Data are given as number (percent of total), mean ± SD, or median (range).

  • ↵b Data were not available from all 85 patients (On-line Table 1).