Table 2.

Troponin I and BNP of single and dual anti-HER2 targeted therapy group

	Trastuzumab (n = 40)	Trastuzumab + pertuzumab (n = 40)	P value
Troponin I (pg/mL)	12.1 ± 3.2	12.5 ± 4.1	0.687
BNP (pg/mL)	66.4 ± 8.3	63.9 ± 9.7	0.591