Covariate | No of studies | Coefficient | P value |
Study design | 18 | −5.1948 | 0.1289 |
Country | 18 | 0.2621 | 0.8259 |
No of locations in LVO definition | 17 | 1.7982 | 0.4325 |
LVO definition | 17 | 5.2733 | 0.1135 |
AIS method | 18 | −19.4584 | 0.0185* |
AIS, acute ischemic stroke; LVO, large vessel occlusion.