Table 2.

Cause-Specific Hazards Regression Models for Cancer Death, Non–Breast Cancer Malignancy, and New Chemotherapy

Exposure	Cancer Death			Non–Breast Cancer Malignancy			New Chemotherapy
	HR (95% CI)	P Value	E Value	HR (95% CI)	P Value	E Value	HR (95% CI)	P Value	E Value
Incident MI/HF	3.94 (3.38-4.59)	<0.001	7.34	1.39 (1.06-1.82)	0.016	2.13	1.25 (1.02-1.53)	0.029	1.61
Incident MI	2.14 (1.32-3.45)	0.002	3.7	1.42 (0.91-2.21)	0.12	—	0.99 (0.74-1.31)	0.93
Incident HF	4.50 (3.84-5.29)	<0.001	8.47	1.60 (1.32-1.92)	<0.001	2.58	1.21 (1.08-1.37)	0.002	1.54
Incident MI and HF	1.79 (0.80-4.00)	0.15	—	0.70 (0.31-1.56)	0.38	—	0.94 (0.60-1.47)	0.77

Covariates in all models include age, neighborhood income quintile, rural residence, Charlson Comorbidity Index, chemotherapy, radiotherapy, trastuzumab, left-sided breast cancer, diabetes, hypertension, breast cancer stage at diagnosis, year of cohort entry, chronic obstructive pulmonary disease, and chronic kidney disease.

Abbreviations as in Table 1.