Table 5.

Laboratory findings

Laboratory values available	354 (73.8%)
Time from EA to blood sample (h)	4.6 ± 4.3
Serum sodium (mmol/L)	141 ± 2
Serum potassium (mmol/L)	3.9 ± 0.4
Serum creatinine (mg/dL)a	0.9 ± 0.2
cTnI slightly elevated (0.04–0.4 ng/mL)	6 (1.25%)
cTnI significantly elevated (> 0.4 ng/mL)	1 (0.2%)
CK (U/L)	305 ± 1356
CK elevated (> 170U/L)	120 (25.0%)
CK-MB%b	1.1 ± 0.6
CK-MB% elevated (> 5%)	0 (0%)

Values are reported as percentile and mean ± standard deviation

EA Electrical accident, cTnI cardiac troponin I, CK creatine kinase, CK-MB creatine kinase muscle and brain

^aThe estimated glomerular filtration rate (eGFR) was above 60 mL/min in each patient

^bCK-MB% values were available for 290 (60.6%) patients