Figure 4. Pooled Difference of Medians of Time From Symptom Onset or Last Known Well to Intravenous Thrombolysis in Patients With Mobile Stroke Unit (MSU) Deployment vs Usual Care (Random-Effects Meta-analysis).

The test for heterogeneity between subgroups was P = .48.

^aPreviously unpublished (disentangled) data. There was partial overlap in participants between the PHANTOM-S study³⁴ and the study by Kunz et al.³⁷

^bEstimated from published mean (SD) values (101 [46] minutes vs 144 [50] minutes),³⁹ assuming normal distribution.