The Knee Clinical Assessment Study – CAS(K). A prospective study of knee pain and knee osteoarthritis in the general population: baseline recruitment and retention at 18 months
<p>Abstract</p> <p>Background</p> <p>Selective non-participation at baseline (due to non-response and non-consent) and loss to follow-up are important concerns for longitudinal observational research. We investigated these matters in the context of baseline recruitment...
Main Authors: | , , , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2006-03-01
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Series: | BMC Musculoskeletal Disorders |
Online Access: | http://www.biomedcentral.com/1471-2474/7/30 |