Population
324 responding hospitals (from a random sample of 500) with 100 beds or more in the United States
Design
Cross-sectional
Authors
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1994 survey benchmarks acute pain service adoption; leaves open whether prevalence and PCA use have evolved since.
A 1994 survey demonstrated that anesthesiology-based acute pain services and patient-controlled analgesia were widely established in US hospitals with 100 or more beds.
Brian L. Ready (1995) studied this question.
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