Supplementary Table 5 from Predicting Health-Related Quality of Life Trajectories in Elderly Patients with Breast Cancer: From Prediagnosis to Long-term Follow-up

Supplementary Table S5 compares the baseline demographic, clinical, and health-related characteristics of breast cancer patients who completed both the diagnosis and 2-year follow-up surveys versus those who only completed the diagnosis survey, highlighting potential selection bias in longitudinal HRQOL analysis.