Table 2.

Skeletal and heart muscle biomarkers.

	Median (range)
Myoglobin μg/L (ref. 19–49 μg/L)	79 (34–873)
Creatine kinase (ref. 35–210 U/L)	246 (66–1,650)
Creatine kinase MB (ref. <4.0 μg/L)	3.8 (1.3–18.1)
CK-MB/CK ratio* (ref. <3%)	1.68 (0.88–2.65)
Troponin T (ref. <14 ng/L)	(≤13–51)
ProBNP (ref. according to age**)	(≤5.9–73)
Abnormal biomarker values	Number (%)
Myoglobin>49 μg/L, n (%)	39 (74)
Creatine kinase>210, n (%)	30 (57)
Creatine kinase MB>4 μg/L	26 (49)
CK-MB/CK ratio≥3%	0 (0)
Troponin T ≥ 14 ng/L	5 (9)
ProBNP >ref. according to age**	3 (6)

^*CK MB/CK ratio was only calculated for CK-MB values ≥4.0 μg/L.

^**18–44 år: <15.3 pmol/L, 45–54 år: <29.4 pmol/L, 55–64 år: <33.9 pmol/L, 65–74 år: <35.5 pmol/L, 75–125 år: <87.1 pmol/L.

CK, creatine kinase; ProBNP, pro-brain natriuretic peptide.