Determinants of mRS score reduction (n=216)
mRS score reduction (shift analysis) | ||||||
Univariable | Multivariable* | |||||
OR | 95% CI | P value | OR | 95% CI | P value | |
Age (years) | ||||||
<60 | Ref | Ref | ||||
≥60 | 0.39 | 0.22 to 0.69 | 0.001 | 0.31 | 0.15 to 0.66 | 0.003 |
Sex | ||||||
Female | Ref | Ref | ||||
Male | 1.11 | 0.67 to 1.86 | 0.682 | |||
Race | ||||||
African-American | Ref | Ref | ||||
Caucasian | 1.57 | 0.84 to 2.92 | 0.157 | |||
Others | 0.86 | 0.41 to 1.80 | 0.688 | |||
Comorbidities | ||||||
Smoking | 0.63 | 0.25 to 1.58 | 0.323 | |||
Atrial fibrillation | 1.38 | 0.69 to 2.79 | 0.365 | |||
Prior anticoagulation | 1.42 | 0.53 to 3.79 | 0.483 | |||
Coronary artery disease | 1.00 | 0.52 to 1.92 | 0.990 | |||
Congestive heart failure | 0.79 | 0.40 to 1.57 | 0.500 | |||
Diabetes mellitus | 0.44 | 0.26 to 0.74 | 0.002 | 0.47 | 0.23 to 0.94 | 0.032 |
Hypertension | 0.56 | 0.29 to 1.06 | 0.074 | 0.66 | 0.29 to 1.49 | 0.315 |
Hyperlipidaemia | 1.04 | 0.61 to 1.77 | 0.880 | |||
Previous stroke | 1.11 | 0.59 to 2.08 | 0.745 | |||
Chronic kidney disease | 1.01 | 0.52 to 1.93 | 0.987 | |||
Admission NIHSS (one unit) | 0.89 | 0.86 to 0.93 | <0.001 | 0.91 | 0.87 to 0.96 | <0.001 |
Large vessel occlusion | 0.34 | 0.19 to 0.59 | <0.001 | 0.52 | 0.23 to 1.20 | 0.124 |
Stroke aetiology | ||||||
Cardioembolism | Ref | Ref | ||||
CS/ESUS | 1.23 | 0.59 to 2.56 | 0.576 | 1.19 | 0.52 to 2.73 | 0.685 |
Large-artery atherosclerosis | 0.98 | 0.36 to 2.67 | 0.964 | 0.89 | 0.29 to 2.77 | 0.843 |
Small-vessel occlusion | 2.92 | 0.99 to 8.59 | 0.052 | 2.98 | 0.71 to 12.44 | 0.131 |
Labs | ||||||
NLR (one unit) | 0.92 | 0.86 to 0.98 | 0.007 | 0.95 | 0.91 to 0.99 | 0.008 |
D dimer (µ100 ng/mL) | 0.99 | 0.99 to 1.00 | 0.081 | 0.99 | 0.98 to 1.00 | 0.093 |
Absolute lymphocyte (1000/µL) | 1.00 | 0.99 to 1.01 | 0.804 | |||
Platelets | 1.00 | 1.00 to 1.00 | 0.536 | |||
IV tPA | 1.60 | 0.86 to 2.97 | 0.137 | |||
Thrombectomy | 1.04 | 0.55 to 1.98 | 0.898 | |||
sICH | 0.23 | 0.07 to 0.76 | 0.015 | 0.18 | 0.04 to 0.73 | 0.016 |
Univariable and multivariable mixed effects ordinal logistic regression analyses were done to test for the impact of several determinants on a reduction of mRS score and a decrease in disability. 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; NIHSS, National Institutes of Health Stroke Scale; NLR, neutrophil–lymphocyte ratio; sICH, symptomatic intracranial haemorrhage; IV tPA, intravenous tissue plasminogen activator.