Prognostic significance of weight changes during treatment of feline lymphoma |
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| Authors: | Krick Erika L Moore Reneé H Cohen Rachel B Sorenmo Karin U |
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| Affiliation: | 1 Department of Clinical Studies, Matthew J Ryan Veterinary Hospital of the University of Pennsylvania, 3900 Delancey St, PA 19104, USA
2 Department of Biostatistics and Epidemiology, University of Pennsylvania, PA, USA |
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| Abstract: | The study purpose was to determine the prognostic significance of weight changes during feline lymphoma treatment. A secondary purpose was to compare weight changes according to baseline body weight, cell type and location. Records of 209 cats treated for lymphoma with chemotherapy from 1995 to 2007 were evaluated. Signalment, cell type, lymphoma location, baseline body weight, weight during treatment, and outcome information were collected. Lymphoma specific survival (LSS) was compared according to baseline weight and weight changes during treatment. Weight change over time was compared according to cell type (small versus large), location (gastrointestinal versus non-gastrointestinal) and baseline weight. Cats with large cell lymphoma that lost ≥ 5% body weight at 1 month had significantly shorter LSS than those that gained or had stable weight (P = 0.004). Percentage weight change over time differed significantly according to baseline weight group. These findings demonstrate the prognostic importance of weight loss in feline large cell lymphoma. |
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