Table 2. Trends in relative survival (%) of prostate cancer patients by period of diagnosis in the West of Scotland: 1991 to 2007.
Calendar period of diagnosis | Average change (%) | |||||||
Time since diagnosis | 1991–1996 | 1997–2002 | 2003–2007 | between periodsa | ||||
Survival, % | (95% CI) | Survival, % | (95% CI) | Survival, % | (95% CI) | (95% CI) | ||
1 year | 83.2 | (81.7, 84.5) | 90.9 | (89.9, 91.9) | 92.1 | (91.2, 93.0) | 4.5 | (−19.4,28.3) |
3 years | 67.4 | (65.5, 69.2) | 78.1 | (76.5, 79.6) | 83.1 | (81.6, 84.6) | 7.8 | (−13.1, 28.8) |
5 years | 58.2 | (56.0, 60.3) | 71.0 | (69.1, 72.8) | 78.6 | (76.4, 80.8) | 10.2 | (−8.9, 29.3) |
= Mean absolute change in relative survival between periods adjusted for deprivation.