Table 1.
Subject characteristics (N = 36)
| Age—years (± SD) | 58.9 (± 17.4) |
| Sex—no. (%) | |
| Female | 19 (53) |
| Male | 17 (47) |
| Race—no. (%) | |
| White | 26 (72) |
| Black | 4 (11) |
| Other/Unknown | 6 (17) |
| Smoking history—no. (%) | 16 (44) |
| Serum CK, IU/L—median (range) | 108 (24–8015) |
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