Table 5.

Comparison of cardiac structure and function.

Characteristic	Normal	Cardiac iron deposition	P
CK[U/L, P50 (P25, P75)]	59.00 (39.00, 94.00)	48.00 (38.00, 80.50)	0.772
CK-MB[U/L, P50 (P25, P75)]	13.00 (10.00, 19.00)	14.00 (11.00, 19.50)	0.581
LDH[U/L, P50 (P25, P75)]	233.00 (185.00, 256.00)	223.00 (200.50, 276.50)	0.706
Abnormal cardiac structure n, (%)	3 (27.3)	8 (61.5)	0.123
Abnormal electrocardiogram n, (%)	5 (45.5)	6 (46.2)	1.000

CK, creatine kinase; CK-MB, creatine kinase MB isoenzyme; LDH, lactate dehydrogenase.