Table 5.

Myocardial enzyme lists and related hormones (X ± SD).

Indices	Groups	Before	3 months		6 months
CK-MB (ng/ml)	Treatment	9.36 ± 4.01	9.12 ± 3.69	0.715	9.28 ± 2.39	0.896
	Placebo	9.56 ± 3.24	8.12 ± 2.82	0.1	8.96 ± 2.42	0.505
	P-value	0.847	0.287		0.640
LDH (U/L)	Treatment	171.40 ± 42.11	176.30 ± 39.24	0.595	169.52 ± 27.60	0.777
	Placebo	174.16 ± 28.88	167.30 ± 31.12	0.461	172.48 ± 23.76	0.840
	P-value	0.788	0.371		0.686
BNP (pg/ml)	Treatment	15.04 ± 9.42	34.96 ± 17.31	≤0.001	24.08 ± 15.63	0.014
	Placebo	14.16 ± 10.40	56.96 ± 20.71	≤0.001	45.20 ± 18.65	≤0.001
	P-value	0.692	≤0.001		≤0.001

The values in the fifth column mean differences between 3 months after first chemotherapy and before chemotherapy; the values in the seventh column mean differences between 6 months after first chemotherapy and before chemotherapy.