> Appendix Figure. Two general approaches to regionalization. With minimum volume standards, patients currently at hospitals below a specified procedure volume threshold (very-low-volume hospitals) are "redistributed" to hospitals above the threshold. With designated referral centers, all patients are directed to selected (high-volume) hospitals.

From "Potential Benefits of Regionalizing Major Surgery in Medicare Patients" Effective Clinical Practice, November/December 1999. 2:277-283.

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Appendix Figure. Two general approaches to regionalization. With minimum volume standards, patients currently at hospitals below a specified procedure volume threshold (very-low-volume hospitals) are 'redistributed' to hospitals above the threshold. With designated referral centers, all patients are directed to selected (high-volume) hospitals.

Appendix Figure. Two general approaches to regionalization. With minimum volume standards, patients currently at hospitals below a specified procedure volume threshold (very-low-volume hospitals) are "redistributed" to hospitals above the threshold. With designated referral centers, all patients are directed to selected (high-volume) hospitals.

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