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Number of injuries versus Level of Experience (statistically significant, X2 = 22.3792, df = 1, p < 0.001)
| Number of injuries | Color belt | Percent(%) | Black belt | Percent(%) |
|---|---|---|---|---|
| single | 140 | 90.91 | 245 | 71.01 |
| multiple | 14 | 9.09 | 100 | 28.99 |
| total | 154 | 100 | 345 | 100 |
