Scoring based on item response theory did not alter the measurement ability of EORTC QLQ-C30 scales.

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Published in J Clin Epidemiol on September 01, 2005

Authors

Morten Aa Petersen1, Mogens Groenvold, Neil Aaronson, Elisabeth Brenne, Peter Fayers, Julie Damgaard Nielsen, Mirjam Sprangers, Jakob B Bjorner, European Organisation for Research and Treatment of Cancer Quality of Life Group

Author Affiliations

1: The research unit, Department of Palliative Medicine, Bispebjerg Hospital, Bispebjerg bakke 23, 2400 Copenhagen, Denmark. map01@bbh.hosp.dk

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