Patients are spending more of their time on stroke units, but there are still unacceptable waits for brain scans and starting treatment, according to latest figures.
The results of the 2006 National Sentinel Audit for Stroke also show that stroke services in Wales are still falling behind those from England.
The audit found 62% of stroke patients were admitted to a stroke unit at some point in their stay, compared to 46% in 2004.
But only 42% of patients had brain imaging to confirm their diagnosis within 24 hours of the onset of symptoms and only 9% of patients were scanned within 3 hours of stroke.
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