Table A3.

Estimated Hazard Ratios by 12-Month Intervals

Time period, months	Analyses
	Hazard Ratio	95% CI
0-12	0.996	0.414 to 2.392
12-24	0.400	0.166 to 0.964
24-36	0.742	0.391 to 1.406
36-48	1.117	0.537 to 2.322
48-60	1.685	0.680 to 4.176
≥ 60	0.649	0.284 to 1.481

Hazard Ratio < 1 favors the chemotherapy group.