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. 2020 Aug 29;54:88–95. doi: 10.1016/j.breast.2020.08.011

Table 1b.

Cox regression analyses for overall survival in the total analysis population, showing hazard ratios for CDK4/6i + ET versus ET.

Setting Unadjusted analysis
Adjusted analysis a
HR (95% CI) P value HR (95% CI) P value
First line 0.91 (0.42, 1.98) 0.82 0.98 (0.45, 2.13) 0.95
Second line 0.80 (0.41, 1.55) 0.50 0.83 (0.43, 1.63) 0.59
Third line 1.57 (0.75, 3.29) 0.23 1.69 (0.79, 3.62) 0.18

CDK4/6i, CDK4/6 inhibitor; CI, confidence interval; ET, endocrine therapy; HR, hazard ratio.

a

HRs are adjusted for age and grade.