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Comment
. 2014 Dec 3;96(23):e198.
doi: 10.2106/JBJS.N.00890.

Apples, oranges, and national databases: commentary on an article by Daniel D. Bohl, MPH, et al.: "Variations in data collection methods between national databases affect study results: a comparison of the nationwide inpatient sample and national surgical quality improvement program databases for lumbar spine fusion procedures"

Paul E Levin  1
Affiliations
Comment

Apples, oranges, and national databases: commentary on an article by Daniel D. Bohl, MPH, et al.: "Variations in data collection methods between national databases affect study results: a comparison of the nationwide inpatient sample and national surgical quality improvement program databases for lumbar spine fusion procedures"

Paul E Levin. J Bone Joint Surg Am. .
No abstract available

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