Table 1

Comparison of admission and clinical variables in men and women with AIS

VariableWomen
(N=79)
Men
(N=105)
P values
Age, years, mean (SD)68.5 (16.3)68.1 (14.0)0.55
Medical history, n (%)
 Anticoagulant use10 (12.7)19 (18.1)0.43
 Atrial fibrillation29 (36.7)21 (20.0) 0.02
 Coronary artery disease15 (19.0)29 (27.6)0.24
 Diabetes13 (16.5)25 (23.8)0.30
 Hyperlipidaemia27 (34.2)55 (52.4) 0.02
 Hypertension52 (65.8)77 (73.3)0.35
 Prior stroke/TIA18 (22.8)26 (24.8)0.89
CCS subtype classification, n (%)
 Cardioembolic48 (60.8)46 (43.8) 0.03
 Large artery6 (7.6)33 (31.4) < 0.001
 Small vessel4 (5.1)5 (4.8)1
 Other/Undetermined21 (26.6)20 (19.0)0.30
Clinical variables
 Admission NIHSS, median (IQR)6 (3,12)5 (2, 11)0.05
 Body mass index, kg/m2, mean (SD)27.8 (6.5)28.3 (5.5)0.52
 Systolic blood pressure, mm Hg, median (IQR)148 (136–173)158 (140–174)0.14
 Diastolic blood pressure, mm Hg, median (IQR)84 (72–92)84 (76–89)0.83
 MMP-2 level, ng/mL, median (IQR)304.6 (242.7–372.1)301.7 (237.8–369.7)0.80
 IV alteplase treatment, n (%)30 (38.0)35 (33.3)0.62
Radiographic variables
 Haemorrhagic transformation, n (%)16 (27.1)24 (22.9)0.79
 Parenchymal haematoma, n (%)5 (5.9)11 (11.1)0.46
 WMHv, cm3, median (IQR)2.0 (0.8–5.5)1.7 (0.9–3.8)0.55
 DWIv, cm3, median (IQR)6.9 (1.2–30.2)7.5 (1.7–21.9)0.76
 MTTv, cm3, median (IQR)32.1 (5.3–81.0)23.5 (5.8–78.2)0.92
 ADC (×10-6) NAWM, mm2/s, mean (SD)804.0 (69.2)791.9 (48.7)0.19
K 2 coefficient (×10-6) NAWM, /s, mean (SD)1027.4 (1192.9)692.7 (2460.9) 0.006
 NAWM mask volume, cm3, median (IQR)44.0 (35.4–51.5)53.4 (43.5–63.1) < 0.001
 Time from last seen well to MRI, min, median (IQR)346 (256–438)345.5 (250.8–437.8)0.90
Functional outcomes
 90-day good outcome (mRS <2), n (%)29 (46.8)55 (58.5)0.20
  • Bold values indicate P value < 0.05.

  • ADC, apparent diffusion coefficient; AIS, acute ischaemic stroke; CCS, causative classification system; DWIv, diffusion-weighted imaging volume; IQR, interquartile range; IV, intravenous; MMP, matrix metalloproteinaise; MTTv, mean transit time volume; NAWM, normal-appearing white matter; NIHSS, National Institutes of Health Stroke Scale; TIA, transient ischemic attack; WMHv, white matter hyperintensity volume.