Table 3. Injury rates and pair-wise comparison chi square statistic for boxing, wrestling, and martial arts.
| |
Injury rates per 100,000 player-days (95% Confidence Interval) |
Pearson’s chi square p-values |
| Injury |
Boxing |
Wrestling |
Martial arts |
Boxing vs. wrestling |
Boxing vs. martial arts |
Wrestling vs. martial arts |
| Concussions |
.92 (.5-1.3) |
1.20 (.8-1.5) |
.07 (.03-.10) |
.34 |
<.001* |
<.001* |
| Contusions/ Abrasions |
7.9 (6.4-9.3) |
6.4 (4.8-7.9) |
1.35 (1.0-1.6) |
.16 |
<.001* |
<.001* |
| Dislocations |
1.1 (.7-1.4) |
2.4 (1.7-2.9) |
.23 (.1-0.3) |
<.001* |
<.001* |
<.001* |
| Fractures |
7.7 (6.4-8.9) |
8.5 (6.5-10.4) |
1.42 (1.0-1.7) |
.45 |
<.001* |
<.001* |
| Lacerations |
2.5 (1.6-3.3) |
2.4 (1.7-3.0) |
.26 (.1-0.3) |
.85 |
<.001* |
<.001* |
| Internal organ injuries |
.82 (.3-1.3) |
1.02 (.6-1.3) |
.11 (.07-.15) |
.57 |
<.001* |
<.001* |
| Strains/Sprains |
5.91 |
14.52 |
1.81 |
<.001* |
<.001* |
<.001* |
| Total |
29.0 (24.4-33.4) |
39.9 (31.6-48.1) |
5.8 (4.5-7.1) |
.003* |
<.001* |
<.001* |
* statistically significant difference between the two compared groups.
