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World J Urol. 2014 Dec;32(6):1537-42. doi: 10.1007/s00345-013-1231-z. Epub 2013 Dec 27.

The impact of type 2 diabetes on the outcome of localized renal cell carcinoma.

Author information

1
Department of Urology, University Hospital Heidelberg, Heidelberg, Germany, kontakt@thomashoefner.de.

Abstract

PURPOSE:

To evaluate the influence of type 2 diabetes on cancer-specific outcome in patients undergoing surgery for localized renal cell carcinoma (RCC).

METHODS:

A total of 1,140 patients with localized RCC undergoing radical or partial nephrectomy were enrolled into this retrospective case-control study. Primary outcome was the cancer-specific survival comparing patients with and without type 2 diabetes at the time of surgery. Secondary outcomes were recurrence-free survival and metastases-free survival comparing the same groups. Additionally, the influence of accompanying factors on cancer-specific survival and overall survival of patients was evaluated in a multivariate analysis. Among 1,140 patients included in the analyses, 202 had diabetes at the time of surgery and 938 patients without diabetes served as control.

RESULTS:

The univariate comparisons between patients with and without diabetes regarding recurrence-free, metastases-free, and cancer-specific survival revealed no significant differences. Multivariate results demonstrate that age, BMI, and diabetes had no significant effect on cancer-specific hazard among participants. After adjustment of the factors in terms of overall survival, however, increased age, increased BMI, and type 2 diabetes at the time of surgery were independent risk factors for the occurrence of the event death.

CONCLUSIONS:

Type 2 diabetes and obesity at the time of surgery have no significant impact on cancer-specific and recurrence-free survival in patients with localized renal cancer.

PMID:
24370691
DOI:
10.1007/s00345-013-1231-z
[Indexed for MEDLINE]
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