International Journal of Epidemiology 2002;31:1069-1070
© International Epidemiological Association 2002
Health Services Research |
Commentary: Does patient volume matter for low-risk deliveries?
Veterans Affairs Palo Alto Health Care System and Stanford University.
Health Economics Resource Center (152), VA Medical Center, 795 Willow Road, Menlo Park, CA 94025, USA. E-mail: cphibbs@stanford.edu
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That there is a volume-outcome relationship for deliveries, and that mortality is lower for births that occur in hospitals with higher level neonatal intensive care units (NICU) is well established. Numerous studies have found this relationship for all births,14 or selected groups of higher risk cases.58
Using all births in the German State of Hesse for a 10-year period, the study by Heller et al.9 extends the volume-outcome, level of care analysis to low-risk births. The perinatal care system in Hesse is highly regionalized; over 90% of infants with a birthweight <1500 g (VLBW) are born in perinatal centres.