Table 3.
Baseline characteristics of patient subgroups compared to normal controls
| Normal volunteers (n = 50) | Group I patients (Edema+, LGE+) (n = 41) | Group II patients (Edema-, LGE+) (n = 12) | Group III patients (Edema-, LGE-) (n = 7) | |
|---|---|---|---|---|
| Age (years) |
41 ± 13 |
37 ± 12 |
46 ± 12 |
52 ± 13 |
| Female, n (%) |
13 (26) |
68 (20) |
4 (33) |
3 (43) |
| Troponin I (μg/L) |
n/a |
9.60 (3.40 to 21.00)* |
0.54 (0.25 to 4.19) |
0.48 (0.19 to 1.29) |
| Coronary angiogram performed, n (%) |
n/a |
25 (61) |
10 (83) |
7 (100)* |
| Median (IQR) time from symptoms to CMR (days) | n/a | 2 (1 to 5) | 3 (2 to 7) | 3 (2 to 5) |
Values are mean ± SD, n (%), or median (interquartile range). *significantly different from other patient subgroups; otherwise no statistical differences in characteristics amongst subgroups.