Table 2

Serum concentrations of muscular and renal biomarkers in patients and healthy controls on day 3 and in patients on day 24 after debut of rhabdomyolysis with discoloured urine

p Difference: 
patients versus
controls on day 3
Control subjects on
day 3, n=26
Patients on
day 3, n=8
Patients on
day 24, n=8
p Difference: 
patients on
day 3 versus 
day 24
CK U/Lp<0.00011553±209497 595±60 0541994±4297p=0.01
Myoglobin µg/Lp<0.0001133±1035223±2900269±606p=0.003
NGAL µg/Lp=0.05198±59246±54186±40p=0.006
CRP mg/Lp=0.034.1±3.913.3±14.22.8±2.3p=0.09
Creatinine µmol/Lp=0.1484±1177±982±8p=0.12
eGFR mL/minp=0.14114±14123±10117±11p=0.10
Cystatin C mg/Lp=0.830.82±0.110.83±0.120.91±0.10p=0.07
  • Data are given as arithmetic mean±SD (range).

  • CK, creatine kinase, laboratory reference interval is 50–400 U/L (men 18–49 years); myoglobin, laboratory reference interval is 30–80 µg/L (men); NGAL, neutrophil gelatinase-associated lipocalin; CRP, C reactive protein, laboratory reference interval is 0–4 mg/L (both sexes); creatinine, laboratory reference interval is 60–105 µmol/L for men above 17 years; eGFR, estimated glomerular filtration rate, laboratory reference interval is 93–131 mL/min (men 17–24 years); cystatin C, laboratory reference interval is 0.51–1.05 mg/L (both sexes).