Table 4.

Hazard Ratios and 95% CIs for 5-years DFS, 5-years DMFS and 5-years BCSS by 36–40 age group.

Age group (years)	5-years DFS, N (%)	HR (95%CI)*	5-years DMFS, N (%)	HR (95%CI)*	5-years BCSS, N (%)	HR (95%CI)*
≤35	143 (60.9)	1.39 (1.08 to 1.79)	152 (64.7)	1.34 (1.03 to 1.74)	201 (85.5)	1.23 (0.82 to 1.85)
36–40	196 (63.8)	1.35 (1.06 to 1.71)	200 (65.1)	1.41 (1.10 to 1.80)	259 (84.4)	1.50 (1.04 to 2.17)
41–50	551 (72.6)	1.00 (REF)	565 (74.4)	1.00 (REF)	679 (89.5)	1.00 (REF)

*Adjusted for tumor stage, histological grade, chemotherapy, endocrine-therapy, trastuzumab and molecular subtype.