Response shift phenomenon. Does this apply to spine outcomes research?
COMMENTARY ON: Schwartz CE, Finkelstein JA. Understanding inconsistencies in patient-reported outcomes after spine treatment: response shift phenomenon. Spine J 2009;9:1039–1045 (in this issue).
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FDA device/drug status: not applicable.
Author disclosures: PAA (royalties, Stryker; stock ownership [including options and warrants], Pioneer; private investments [including venture capital, start-ups], Titan, Expanding Orthopedics; consulting: Pioneer, Medtronic; trips/travel, Medtronic; member scientific advisory board, Pioneer; grants, NASS); LYC (trips/travel, Medtronic Sofamor Danek); SDG (royalties, Medtronic; consulting, Medtronic, Depuy; trips/travel, Medtronic; research support [staff/or materials], Medtronic, Norton Healthcare; grants, Norton Healthcare Community Trust Fund; fellowship support, Norton Healthcare).
PII: S1529-9430(09)00810-9
doi:10.1016/j.spinee.2009.08.449
© 2009 Elsevier Inc. All rights reserved.
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- Understanding inconsistencies in patient-reported outcomes after spine treatment: response shift phenomena , 02 July 2009
