PMID: 9542190May 9, 1998Paper

Influence of sex differences in biological aggressivity of bladder urothelial tumor at first diagnosis

Actas urologicas españolas
A Fernández FernándezG Otero Mauricio

Abstract

To investigate whether, in the same way incidence is affected, biological aggressiveness of bladder cancer at diagnosis is greater in men than in women. Using data from a retrospective study on urothelial cancer of the bladder between 1975 and 1991 in La Rioja (Spain), an estimate was made of total Relative Risk, Mantel-Haenszel relative weighted risk and Greenland-Robins 95% confidence interval of suffering infiltrant bladder cancer in male versus female, assuming that the tumour affecting the muscle layer was infiltrant. Total Relative Risk (1.05). Mantel-Haenszel relative weighted risk (1.08), and Greenland-Robins confidence interval (0.65-Relative Risk-1.08). It is concluded that sex differences have no influence on the risk to develop infiltrant urothelial cancer of the bladder at diagnosis.

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