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  • Title: Cervical cancer in New South Wales women: five-year survival, 1972 to 1991.
    Author: Taylor R, Bell J, Coates M, Churches T, Wain G.
    Journal: Aust N Z J Public Health; 1996 Aug; 20(4):413-20. PubMed ID: 8908766.
    Abstract:
    We analysed five-year relative survival of 6992 cases of cervical cancer incident between 1972 and 1991 in New South Wales (NSW) women, using data from the population-based state Cancer Registry. Follow-up was to 1992. Survival was determined by record linkage to death certificates. Relative survival was derived from absolute survival of cases with expected survival of age- and period-matched NSW women. Proportional hazard regression analysis was used for multivariate analysis. Relative survival at five years improved from 64 per cent in 1972-1976 to 72 per cent in 1987-1991, although the only significant increase occurred between 1972-1976 and 1977-1981 (64 to 70 per cent). Survival was better for the age groups 0-39 years (RR 0.51) and 40-49 years (RR 0.63) and worse for the elderly (> or = 65 years) (RR 1.47) than for the referent group (50-64 years). Excess mortality was much less for those with localised disease (referent group), than for those with regional spread (RR 3.47) or metastatic cancer (RR 10.5) at diagnosis. For the most recent period (1987-1991), relative five-year survival for localised disease was 82 per cent, for regional spread at diagnosis it was 49 per cent, and for metastatic cancer 21 per cent. When adjusted for confounding, excess mortality was significantly higher for adenocarcinoma (RR 1.16) than for squamous cell carcinoma. Five-year relative survival for cervical cancer in NSW women for the most recent period is similar to that in South Australia, and both compare favourably with international statistics. The lack of improvement of five-year survival for cervical cancer over 15 years since 1977-1981 reinforces the importance of prevention through regular screening by cytology.
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