Table 2.

Overall mortality. Events after 2 versus 5 years of tamoxifen treatment.

Years after surgery	TAM 2 yrs (n = 2105)	TAM 5 yrs (n = 2019)	HR 5 vs 2 yrs	95% CI
	Number of events
≥2	1826	1744	0.94	0.88–1.01
2–5	211	180	0.88	0.72–1.07
5–15	741	617	0.80	0.72–0.90
15 –	874	947	1.08	0.98–1.18

CI = confidence interval; HR = hazard ratio; TAM = tamoxifen.