Table 10 The effect of tamoxifen on the risk of contralateral breast cancer depending on time from first breast cancer (univariate analysis)
From: Selected aspects of genetic counselling for BRCA1 mutation carriers
Years since diagnosis of first primary breast cancer | 1-5 years | 5-10 years | > 10 years | ||||||
|---|---|---|---|---|---|---|---|---|---|
Tamoxifen, any use, n | n = 168 | n = 68 | n = 49 | ||||||
| Â | RR | 95% CI | p | RR | 95% CI | p | RR | 95% CI | p |
Never | 1.00 | Â | Â | 1.00 | Â | Â | 1.00 | Â | Â |
Ever | 0.46 | 0.27-0.79 | 0.005 | 0.42 | 0.16-1.10 | 0.08 | 0.99 | 0.13-7.61 | 0.99 |