Table 1. Clinical characteristics of patients.

Variable	Value
Median age at the time of diagnosis (yr)	14.0
Male to female ratio	2.5:1
Underlying disease	18 (46.2)
Causes of rhabdomyolysis
Infection	12 (30.7)
Exercise	9 (23.1)
Trauma	8 (20.5)
Ischemia	4 (10.3)
Drug	4 (10.3)
Seizure	2 (5.1)
Presentations of rhabdomyolysis
Myalgia	25 (64.1)
Muscle weakness	12 (30.7)
Dark urine	7 (17.9)
Acute kidney injury
Stage 1	4 (10.3)
Stage 2	2 (5.1)
Stage 3	8 (20.5)
Renal replacement therapy	5 (12.8)
Median length of hospitalization (day)	7
Progression to chronic kidney disease	0 (0)
Mortality	0 (0)

Values are presented as number (%) unless otherwise indicated.