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Table 5 Multivariate Cox regression analysis showing the value of interatrial block (IAB) for prediction of all-cause mortality after first-ever ischemic stroke in patients with intermediate cardiovascular risk and high cardiovascular risk

From: Interatrial block in prediction of all-cause mortality after first-ever ischemic stroke

Variable Intermediate risk High risk
HR 95% CI P value HR 95% CI P value
Partial IAB vs no IAB 0.36 0.03–3.64 0.389 1.09 0.69–1.73 0.713
Advanced IAB vs no IAB 7.89 2.01–30.98 0.003 1.01 0.59–1.72 0.966
Age 1.02 0.97–1.06 0.494 1.11 1.08–1.14 < 0.001
Male gender 1.92 0.63–5.89 0.584 1.79 1.14–2.80 0.011
Cardiac failure NA    1.31 0.64–2.68 0.458
Diabetes NA    0.82 0.41–1.38 0.457
Hypertension NA    1.24 0.75–2.06 0.405
Non-permanent AF NA    1.26 0.80–2.00 0.321
Vascular disease NA    0.86 0.56–1.31 0.484
Severity of stroke (NIHSS)|a 1.58 1.28–1.95 < 0.001 1.09 1.05–1.12 < 0.001
Smoking status 2.05 0.96–4.37 0.063 0.80 0.59–1.09 0.153
  1. a National Institute of Health stroke scale