Research Article

Collateral Status and Clinical Outcomes after Mechanical Thrombectomy in Patients with Anterior Circulation Occlusion

Table 3

Subgroup analysis of the effect of collateral status on good mRS (≤2).

SubgroupNumber of patientsORs (95%CI) value for interaction

Age (yrs)0.192
<65 yr814.69 (3.18 to 7.80)
≥65 yr1383.95 (2.94 to 6.75)
History of ischemic stroke0.002
Yes347.81 (2.34, 19.21)
No1853.47 (2.88, 5.47)
Statin use0.021
Yes1384.77 (3.78, 7.01)
No813.42 (1.99, 7.51)
SBP at hospital arrival0.85
<140 mmHg684.02 (1.94, 7.04)
≥140 mmHg1513.98 (2.37, 6.96)
NIHSS at hospital arrival0.174
5–15713.57 (1.78, 6.47)
≥161483.94 (2.14, 5.17)
Location of intracranial artery occlusion0.090
Intracranial ICA733.94 (1.85, 7.02)
M1 segment1234.01 (2.57, 6.11)
M2 segment239.51 (1.04, 19.17)