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Table 3 Cox regression analysis of individual risk factors for new vascular events

From: Prognostic value of the ABCD2score beyond short-term follow-up after transient ischemic attack (TIA) - a cohort study

  Cerebral ischemic event Cardiovascular ischemic event Cerebral/cardiac ischemic events, or death of vascular/unknown cause
  HR 95% CI HR 95% CI HR 95% CI
3 < ABCD2 > 6 2.71 0.76-9.60 -* -* 3.91 1.14-13.34
ABCD2 ≥6 2,61 0.62-10.93 -* -* 4.26 1.13-16.08
Age ≥60 years 1.30 0.50-3.35 5.30 0.67-41.89 2.15 0.88-5.26
SBP ≥140 mmHg/DBP ≥90 mmHg 0.88 0.35-2.18 -* -* 1.28 0.57-2.84
Unilateral weakness 4.14 0.96-17.92 1.80 0.20-16.10 3.37 1.00-11.30
Speech impairment only 1.39 0.20-9.90 8.68 0.96-78.42 2.62 0.66-10.47
Duration 10-59 min 1.32 0.37-4.70 1.83 0.30-10.97 1.63 0.53-4.99
Duration ≥60 min 0.80 0.25-2.50 0.64 0.12-3.48 1.00 0.37-2.72
Diabetes 1.46 0.49-4.33 4.94 1.41-17.30 1.83 0,79-4.26
Sex, female 1.13 0.49-2.62 0.93 0.23-3.76 1.18 0.56-2.45
Hypertension 0.99 0.39-2.51 -** -** 1.20 0.54-2.68
Hypercholesterolemia 0.57 0.24-1.34 2.51 0.65-9.70 0.51 0.24-1.10
Body mass index 0.30 0.04-2.24 1.06 0.21-5.26 0.52 0.15-1.76
Nicotine abuse 1.30 0.57-2.94 0.99 0.27-3.69 1.06 0.53-2.12
Atrial fibrillation 0.94 0.28-3.17 -** -** 1.02 0.35-2.93
Coronary artery disease 0.59 0.18-1.99 2.27 0.62-8.24 0.96 0.41-2.24
Heart failure 3.39 1.00-11.55 2.77 0.34-22.63 3.97 1.51-10.45
Peripheral artery disease 7.64 2.96-19.71 -** -** 7.42 3.25-16.94
DWI abnormality 1.23 0.51-2.93 0.59 0.12-2.85 0.84 0.37-1.90
ECD: stenotic/occlusive 4.39 1.93-9.99 3.73 1.05-13.31 4.18 2.04-8.59
TCD: abnormal 4.99 1.97-12.62 9.62 2.46-37.68 5.13 2.26-11.67
  1. * Statistical analysis not possible owing to absence of events in one group.
  2. ** Statistical analysis not possible owing to small patient numbers.
  3. SBP: systolic blood pressure. DBP: diastolic blood pressure. ECD: extracranial Doppler and duplex ultrasonography. TCD: transcranial Doppler and duplex ultrasonography.