Figure 2. Pooled Crude Odds Ratio (OR) Associated With the Proportions of Intravenous Thrombolysis Among Patients With Acute Ischemic Stroke According to Treatment Group (Mobile Stroke Unit [MSU] Deployment vs Usual Care, Random-Effects Meta-analysis).

Results are expressed as number of patients treated with intravenous thrombolysis divided by the number of patients with acute ischemic stroke in each treatment group. The test for heterogeneity between subgroups was P = .98.

^aPreviously unpublished data, excluding patients with stroke mimic in the study by Larsen et al.¹⁶