Table 1 Epidemiological characteristics of patients with rhabdomyolysis.

From: Elevated troponin levels in rhabdomyolysis as a predictor of mortality in patients with normal kidney and cardiac function

Characteristics

Negative troponin* (N = 100)

Positive troponin (N = 152)

P-value

Sex – male (N, %)

85 (85%)

92 (60%)

P < 0.001

Past myocardial injury (N, %)

4 (4%)

26 (16%)

P < 0.01

Age (years), mean ± SD

38.66 ± 16.19

68.94 ± 18.73

P < 0.001

Comorbidities:

   

Diabetes mellitus (N, %)

7 (7%)

42 (27.6%)

P < 0.001

COPD† (N, %)

5 (5%)

18 (12%)

P = 0.076

Dementia (N, %)

0 (0%)

2 (1.3%)

P = 0.519

Leukaemia (N, %)

0 (0%)

2 (1.3%)

P = 0.519

Lymphoma (N, %)

2 (2%)

1 (0.65%)

P = 0.565

Solid tumour (N, %)

3 (3%)

12 (7.9%)

P = 0.172

PUD‡ (N, %)

2 (2%)

2 (1.3%)

P = 0.65

CVA§ (N, %)

3 (3%)

30 (19.7%)

P < 0.001

Charlson comorbidity index (mean ± SD)

0.77 ± 1.43

3.94 ± 2.31

P < 0.001

Etiology of Rhabdomyolysis (N, %)

Excessive exercise

Drugs

Heat stroke

infection

Neuroleptic malignant syndrome (NMS)

Muscle ischemia

unknown

Others^

58(58%)

18(18%)

2(2%)

10(10%)

4(4%)

2(2%)

3(3%)

3(3%)

49(32%)

40(26%)

5(3%)

29(19%)

9(5%)

5(3%)

7(4%)

8(5%)

P < 0.001

P < 0. 16

  1. Categorical variables are presented as frequency and percentages. Normally distributed continuous variables are presented as mean ± SD; *Negative troponin is defined as high-sensitivity cardiac troponin I < 15ng/L; †COPD, Chronic obstructive pulmonary disease; ‡PUD, peptic ulcer disease; §CVA, cerebrovascular attack. ^ genetic disease, metabolic disturbance, toxins.
  2. Significant values are in bold.
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