Increasing survival of patients with urinary bladder cancer: A nationwide study in Sweden 1960-1986

Malmström, P UDepartment of Urology, University Hospital, Uppsala, Sweden; Department of Epidemiology, Boston MA, United States (author)

Increasing survival of patients with urinary bladder cancer : A nationwide study in Sweden 1960-1986

Survival rates were analysed in 29,055 patients with urinary bladder cancer diagnosed in Sweden from 1960 to 1986 and followed up until 1987. The 2-, 5- and 10-year relative survival rates were 79, 70 and 64% for men and 75, 68 and 63% for women, respectively. Patients with a history of bladder cancer for at least 15 years ran a negligible risk of dying from their disease. Prognosis was consistently better in younger than in older patients; below 50 years of age the 5-year relative survival rate was 90%, as compared with 60% in patients aged 70-79 years. Patients diagnosed between 1960 and 1964 had a 60% 5-year relative survival, as compared to 71% in those diagnosed between 1980 and 1984. Multivariate analyses further confirmed that age but not sex is an important prognostic factor in bladder cancer and, further, that a substantial improvement in survival rates took place during the 1960-1986 period. Compared with 1960-1964 the risk of dying of bladder cancer within 5 years in patients diagnosed between 1980 and 1984 was 51% lower in men [relative risk (RR) = 0.49; 95% confidence interval (C.I.) 0.42-0.57] and 44% lower in women (RR = 0.56; 95% C.I. 0.45-0.70).

Thörn, MCancer Epidemiology Unit, University Hospital, Uppsala, Sweden; Department of Epidemiology, Boston MA, United States (author)
Lindblad, Per,1953-Department of Urology, University Hospital, Uppsala, Sweden; Department of Epidemiology, Boston MA, United States,Urologisk Cancer(Swepub:oru)pld (author)
Bergström, RDepartment of Statistics, Uppsala University, Uppsala, Sweden (author)
Adami, H OCancer Epidemiology Unit, University Hospital, Uppsala, Sweden; Department of Epidemiology, Boston MA, United States (author)
Department of Urology, University Hospital, Uppsala, Sweden; Department of Epidemiology, Boston MA, United StatesCancer Epidemiology Unit, University Hospital, Uppsala, Sweden; Department of Epidemiology, Boston MA, United States (creator_code:org_t)

By the author/editor: Malmström, P U; Thörn, M; Lindblad, Per, 1 ...; Bergström, R; Adami, H O

About the subject

MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Clinical Medicin ...; and Urology and Neph ...

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