Additional file 2 of Development and validation of an extended Cox prognostic model for patients with ER/PR+ and HER2− breast cancer: a retrospective cohort study

Additional file 2: Appendix 2. Hazard ratios and their 95% confidence limits of Ki67, PR, ER, and age. Figure 1. Hazard ratios and their 95% confidence limits for a series of binary variables of Ki67. Figure 2. Hazard ratios and their 95% confidence limits for a series of binary variables of ER. Figure 3. Hazard ratios and their 95% confidence limits for a series of binary variables of PR. Figure 4. Hazard ratios and their 95% confidence limits for a series of binary variables of age.

附加文件2：附录2。Ki67、孕激素受体（Progesterone Receptor, PR）、雌激素受体（Estrogen Receptor, ER）及年龄的风险比（Hazard ratio）及其95%置信限。
图1：针对Ki67的一系列二分类变量的风险比及其95%置信限。
图2：针对ER的一系列二分类变量的风险比及其95%置信限。
图3：针对PR的一系列二分类变量的风险比及其95%置信限。
图4：针对年龄的一系列二分类变量的风险比及其95%置信限。