Variation in TIA admission

Dr. RW links to a Medscape article about a decision rule to admit TIAs. A paragraph stands out:

Currently, patients with a TIA are treated differently between hospitals in various medical settings, Dr. Johnston said. “For instance, some hospitals admit the majority of patients with TIA, as high as 80% or more; others admit very few patients “” fewer than 20% or 10% “” and in the UK, really none.”

I wonder (defensive medicine) why the variation between countries?

Related posts:

1. Minimizing practice variation is difficult
2. Practice variation
3. Direct admission
4. A borderline admission from the ER, or not
5. A cost effectiveness institute
6. Defensive medicine op-ed reaction
7. Dumping ground

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Tagged as: heart, hospital, patient