Table 3.
Outcomes at 3 months | Total | Events, n (%) | Unadjusted | Adjusted | |||
N=2818 | OR (95% CI) | P value | OR (95% CI) | P value | |||
Recurrence of ischaemic stroke | PAS+DAPT | 393 | 44 (11.2) | Reference | – | Reference | – |
PAS+SAPT | 267 | 19 (7.12) | 0.627 (0.366 to 1.073) | 0.0887 | 0.605 (0.352 to 1.039) | 0.0687 | |
Non-PAS+DAPT | 1229 | 51 (4.15) | 0.361 (0.241 to 0.541) | <0.0001 | 0.392 (0.260 to 0.590) | <0.0001 | |
Non-PAS+SAPT | 929 | 36 (3.88) | 0.338 (0.218 to 0.526) | <0.0001 | 0.363 (0.232 to 0.567) | <0.0001 | |
Composite vascular events | PAS+DAPT | 393 | 47 (11.96) | Reference | – | Reference | – |
PAS+SAPT | 267 | 19 (7.12) | 0.586 (0.344 to 0.998) | 0.0493 | 0.563 (0.330 to 0.963) | 0.0358 | |
Non-PAS+DAPT | 1229 | 54 (4.39) | 0.358 (0.242 to 0.529) | <0.0001 | 0.389 (0.262 to 0.579) | <0.0001 | |
Non-PAS+SAPT | 929 | 37 (3.98) | 0.325 (0.211 to 0.500) | <0.0001 | 0.347 (0.225 to 0.537) | <0.0001 | |
Haemorrhagic stroke | PAS+DAPT | 393 | 1 (0.25) | Reference | – | Reference | – |
PAS+SAPT | 267 | 0 | 0 | 0.9980 | 0 | 0.9982 | |
Non-PAS+DAPT | 1229 | 2 (0.16) | 0.638 (0.058 to 7.036) | 0.7136 | 0.753 (0.066 to 8.658) | 0.8200 | |
Non-PAS+SAPT | 929 | 0 | 0 | 0.9963 | 0 | 0.9962 | |
mRS 3–6 (missing 25)* |
PAS+DAPT | 388 | 60 (15.46) | Reference | – | Reference | – |
PAS+SAPT | 263 | 33 (12.55) | 0.784 (0.497 to 1.239) | 0.2975 | 0.561 (0.337 to 0.937) | 0.0270 | |
Non-PAS+DAPT | 1220 | 106 (8.69) | 0.520 (0.370 to 0.731) | 0.0002 | 0.672 (0.465 to 0.972) | 0.0350 | |
Non-PAS+SAPT | 912 | 99 (10.86) | 0.666 (0.471 to 0.940) | 0.0209 | 0.731 (0.501 to 1.066) | 0.1034 |
Adjustment for baseline characteristics includes age, sex, history of hypertension, history of diabetes and smoking.
*(mRS) Adjustment for baseline characteristics includes age, sex, history of hypertension, history of diabetes, smoking and NIHSS.
CI, confidence interval; DAPT, dual antiplatelet therapy; mRS, modified Rankin Scale; NIHSS, National Institutes of Health Stroke Scale; OR, odds ratios; PAS, parent artery stenosis; SAPT, single antiplatelet therapy.