Table 5.

Estimated HRs and the corresponding confidence intervals for the main end points

End point	Group B vs group A (97.5% CI)	Group D vs group C (97.5% CI)	Groups B + D vs groups A + C (95% CI)	Group C vs group A (97.5% CI)	Group D vs group B (97.5% CI)	Groups C + D vs groups A + B (95% CI)
OS	0.95 (0.74-1.23)	0.87 (0.67-1.12)	0.91 (0.78-1.02)	1.03 (0.79-1.32)	0.94 (0.72-1.21)	0.98 (0.84-1.15)
EFS	0.98 (0.76-1.25)	0.86 (0.67-1.10)	0.92 (0.79-1.07)	1.00 (0.78-1.28)	0.88 (0.69-1.13)	0.94 (0.81-1.09)
DFS from CR	1.03 (0.72-1.48)	1.05 (0.75-1.48)	1.04 (0.84-1.30)	0.99 (0.68-1.44)	1.01 (0.72-1.41)	1.00 (0.81-1.24)
Survival from CR	1.00 (0.68-1.46)	1.01 (0.71-1.44)	1.00 (0.80-1.26)	1.08 (0.73-1.58)	1.11 (0.78-1.57)	1.09 (0.87-1.37)

* Only patients who achieved CR were considered (the number of patients in each group is given in Table 2).