Table 3.
Extent of false positive edematous mass as measured by the T2 SI ratio in patients with chronic MI in different muscle groups; differences as per paired t-test with corresponding P value and intraclass correlation coefficient for interrater reliability and intrarater agreement.
| Chronic reperfused MI | Interobserver difference | IIC interobserver correlation | Intraobserver difference | ICC intraobserver correlation |
|---|---|---|---|---|
| Muscle | Mean (P) |
ICC | Mean (P) |
ICC |
| Serratus anterior | 0.30 ± 0.50 (0.065) |
0.954 | 0.12 ± 0.36 (0.313) |
0.98 |
| Subscapularis | 23 ± 30.0 (0.039) |
0.328 | 23.2 ± 28.0 (0.027) |
0.259 |
| Teres minor/infraspinatus | 1.91 ± 11.0 (0.580) |
0.966 | 3.43 ± 8.6 (0.239) |
0.974 |
| Pectoralis | 0.78 ± 5.6 (0.672) |
0.983 | 2.95 ± 9.0 (0.349) |
0.953 |