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Abstract
Objective: To determine overall survival time and identify prognostic factors associated with survival time in cats with newly diagnosed diabetes mellitus.
Design: Retrospective case series.
Animals: 114 cats with newly diagnosed diabetes mellitus.
Procedures: Data for analysis included history, signalment, physical examination findings, hematologic and serum biochemical data, presence of ketoacidosis, and diagnosis of concurrent diseases at initial evaluation. The effects of possible predictors on survival time were determined by calculating hazard ratios (HRs) and 95% confidence intervals (CIs).
Results: Median survival time of diabetic cats was 516 days (range, 1 to 3,468 days); 70%, 64%, and 46% lived longer than 3, 6, and 24 months, respectively. Survival time was significantly shorter for cats with higher creatinine concentrations, with a hazard of dying approximately 5% greater for each increase of 10 μg/dL in serum creatinine concentration (adjusted HR, 1.005; 95% CI, 1.003 to 1.007). Ketoacidosis was not significantly associated with survival time (HR, 1.02; 95% CI, 0.590 to 1.78).
Conclusions and clinical relevance: Cats with newly diagnosed diabetes mellitus had a fair to good prognosis. High serum creatinine concentration at diagnosis was associated with a poor outcome, likely because of the adverse effects of renal dysfunction. Ketoacidosis apparently was not associated with decreased survival time, suggesting that this complication should not necessarily be regarded as unfavorable.
EPub: Journal of the American Veterinary Medical Association, 2013 Jul 1;243(1):91-5
DOI: 10.2460/javma.243.1.91
PMID: 23786195
RGID: 240307673
Full text: article.pdf
Authors: Mercuriali Edy, Callegari Carolina, Hafner Michaela, Coppola Luigi M, Guazzetti Stefano, Lutz Thomas A, Reusch Claudia E, Zini Erich.
