Table 2 Annual percent change (APC) with 95% confidence intervals (CIs) in ASRs and proportion of premenopausal and ASR of postmenopausal breast cancer in Denmark from 1943 to 2008
From: Higher incidence of premenopausal breast cancer in less developed countries; myth or truth?
Premenopausal (< 50 years) | Postmenopausal (≥ 50 years) | |||
|---|---|---|---|---|
| Â | Period | APC (95% CI) | Period | APC (95% CI) |
ASR* | ||||
|  | 1943 – 1986 | 1.54 (1.36 to 1.72) | 1943 – 1958 | 0.18 (-0.42 to 0.78) |
|  | 1986 – 2008 | -0.10 (-0.47 to 0.26) | 1958 – 1985 | 1.45 (1.18 to 1.71) |
|  | AAPC** | 0.98 (0.81 to 1.15) | 1985 – 2008 | 1.97 (1.64 to 2.29) |
| Â | Â | Â | AAPC | 1.33 (1.13 to 1.54) |
Proportion*** | ||||
|  | 1943 – 1978 | -1.04 (-1.21 to -0.88) | 1943 – 1978 | 0.35 (0.30 to 0.41) |
|  | 1978 – 1988 | 1.48 (0.19 to 2.79) | 1978 – 1988 | -0.44 (-0.87 to -0.01) |
|  | 1988 – 2008 | -2.04 (-2.42 to -0.64) | 1988 – 2008 | 0.54 (0.41 to 0.67) |
| Â | AAPC | -0.74 (-0.84 to -0.64) | AAPC | 0.29 (0.21 to 0.37) |