Table 3 Differences in baseline MRI findings between professional athletes with and without reinjury
Variables | Non-reinjury (n = 50) | Reinjury (n = 9) | OR (95% CI) | p value |
|---|---|---|---|---|
Connective tissue rupture | ||||
Absent | 14 (28.0) | 1 (11.1) | ||
Transversal | 1 (2.0) | 1 (11.1) | ||
Longitudinal | 3 (6.0) | 1 (11.1) | ||
Mixed | 32 (64.0) | 6 (66.8) | 1.19 (0.66–2.17) | 0.564 |
Loss of tendon tension | ||||
Absent | 16 (32.0) | 1 (11.1) | ||
Present | 34 (68.0) | 8 (88.9) | 3.76 (0.43–32.71) | 0.229 |
Muscle fibres tear | ||||
Absent | 7 (14.0) | 1 (11.1) | ||
Present | 43 (86.0) | 8 (88.9) | 1.30 (0.14–12.08) | 0.816 |
Loss of pennation angle | ||||
Absent | 7 (14.0) | 0 | NC | |
Present | 43 (86.0) | 9 (100.0) | ||
Adaptive oedema | ||||
Absent | 48 (96.0) | 9 (100.0) | NC | |
Present | 2 (4.0) | 0 | ||
Feather oedema | ||||
Absent | 6 (12.0) | 0 | NC | |
Present | 44 (88.0) | 9 (100.0) | ||
Oedema intermuscular | ||||
Absent | 14 (28.0) | 9 (100.0) | NC | |
Present | 36 (72.0) | 0 | ||
Previous scar | ||||
Absent | 27 (54.0) | 4 (44.4) | 1.46 (0.62–3.47) | 0.389 |
Subacute | 14 (28.0) | 2 (22.2) | ||
Chronic | 9 (18.0) | 3 (33.3) | ||
Previous scar MCJ location | ||||
Absent | 27 (54.0) | 4 (44.4) | 1.23 (0.47–3.27) | 0.672 |
Same | 19 (38.0) | 4 (44.4) | ||
Different | 3 (6.0) | 1 (11.1) | ||
Contralateral | 1 (2.0) | 0 | ||
Previous scar third involved leg | ||||
Same | 45 (90.0) | 7 (77.8) | 1.54 (0.65–3.65) | 0.331 |
Distal | 1 (2.0) | 0 | ||
Proximal | 3 (6.0) | 2 (22.2) | ||
Contralateral | 1 (2.0) | 0 | ||