Summary of difference in volume between fighter groups and controls on the various brain measures
| Hemisphere | Thalamus | Caudate | Putamen | Hippocampus | Amygdala |
|---|---|---|---|---|---|
| % (p value) | % (p value) | % (p value) | % (p value) | % (p value) | |
| Left side | |||||
| Boxer vs MMA | 7 (<0.0001) | 5.1 (0.01) | 4.5 (0.009) | 4.1 (0.007) | 5.7 (0.006) |
| Boxer vs control | 6.8 (0.045) | NS | 7.2 (0.02) | NS | 8.6 (0.02) |
| MMA vs control | NS | NS | NS | NS | NS |
| Right side | |||||
| Boxer vs MMA | 7.0 (<0.0001) | 6.3 (0.001) | 4.8 (0.003) | 4.7 (<0.0001) | 6.4 (0.0007) |
| Boxer vs control | 6.6 (0.02) | NS | 8.0 (0.007) | 6.1 (0.03) | NS |
| MMA vs control | NS | NS | NS | NS | NS |
MMA, mixed martial arts; NS, no significant difference.