Fig. 2
From: Incidence of hypothyroidism after treatment for breast cancer—a Danish matched cohort study
Incidence rates (IRs), hazard ratios, and associated 95% confidence intervals (95%CIs) of hypothyroidism in the cohort of Danish women diagnosed with non-metastatic breast cancer 1996–2009 and matched control cohort of cancer-free women. IRs and HRs (HRs adjusted for Charlson comorbidity index) overall, and stratified by treatment modalities. RT, radiation therapy to the chest wall/breast (RTc), or with addition of the lymph nodes (RTn); CT, chemotherapy