Determinants of poor outcomes (mRS 5–6) (n=216)
Poor outcome (mRS score 5–6) | ||||||
Univariable | Multivariable* | |||||
OR | 95% CI | P value | OR | 95% CI | P value | |
Age (years) | ||||||
<60 | Ref | Ref | ||||
≥60 | 2.87 | 1.50 to 5.50 | 0.001 | 5.11 | 2.08 to 12.56 | <0.001 |
Sex | ||||||
Female | Ref | |||||
Male | 1.03 | 0.58 to 1.82 | 0.916 | |||
Race | ||||||
African-American | Ref | |||||
Caucasian | 0.67 | 0.34 to 1.32 | 0.245 | |||
Others | 1.23 | 0.56 to 2.74 | 0.606 | |||
Comorbidities | ||||||
Smoking | 1.20 | 0.48 to 2.99 | 0.702 | |||
Atrial fibrillation | 0.65 | 0.29 to 1.46 | 0.300 | |||
Prior anticoagulation | 0.40 | 0.11 to 1.50 | 0.175 | |||
Coronary artery disease | 1.22 | 0.58 to 2.57 | 0.604 | |||
Congestive heart failure | 1.40 | 0.65 to 3.05 | 0.390 | |||
Diabetes mellitus | 2.26 | 1.26 to 4.07 | 0.006 | 2.66 | 1.16 to 6.09 | 0.021 |
Hypertension | 1.46 | 0.73 to 2.93 | 0.286 | |||
Hyperlipidaemia | 0.93 | 0.52 to 1.68 | 0.819 | |||
Previous stroke | 0.96 | 0.48 to 1.91 | 0.904 | |||
Chronic kidney disease | 1.05 | 0.52 to 2.14 | 0.887 | |||
Admission NIHSS (one unit) | 1.10 | 1.06 to 1.15 | <0.001 | 1.08 | 1.02 to 1.14 | 0.006 |
Large vessel occlusion | 3.02 | 1.63 to 5.59 | <0.001 | 2.45 | 1.04 to 5.78 | 0.042 |
Stroke aetiology | ||||||
Cardioembolism | Ref | Ref | ||||
CS/ESUS | 0.96 | 0.42 to 2.20 | 0.926 | 1.35 | 0.39 to 4.68 | 0.636 |
Large-artery atherosclerosis | 1.56 | 0.52 to 4.69 | 0.427 | 2.22 | 0.54 to 9.09 | 0.264 |
Small-vessel occlusion | 0.22 | 0.05 to 1.15 | 0.073 | 0.21 | 0.03 to 1.54 | 0.123 |
Labs | ||||||
NLR (one unit) | 1.07 | 1.01 to 1.13 | 0.025 | 1.06 | 1.01 to 1.11 | 0.028 |
D-dimer (×100 ng/mL) | 1.01 | 1.00 to 1.02 | 0.101 | |||
Absolute lymphocyte (1000/µL) | 1.01 | 0.99 to 1.02 | 0.727 | |||
Platelets | 1.00 | 1.00 to 1.00 | 0.435 | |||
IV tPA | 0.56 | 0.27 to 1.15 | 0.115 | |||
Thrombectomy | 0.77 | 0.38 to 1.57 | 0.469 | |||
sICH | 3.10 | 0.96 to 10.0 | 0.058 | 3.63 | 0.85 to 15.48 | 0.081 |
Univariable and multivariable mixed effects binary logistic regression analyses were done to test for the impact of several determinants on getting poor outcomes. Variables that had a p<0.1 were included in the final multivariable model.
*The results after multiple imputation using chained equations to handle missing data.
CS/ESUS, cryptogenic stroke/embolic stroke of undetermined source; IV IV tPA, intravenous tissue plasminogen activator; mRS, modified Rankin Scale; NIHSS, National Institutes of Health Stroke Scale; NLR, neutrophil–lymphocyte ratio; sICH, symptomatic intracranial haemorrhage.