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. 2009 Dec;53(4):272–281.

Table 6.

Diagnosed injuries versus Level of Experience

Diagnosis of injury Color belt Percent(%) Black belt Percent(%)
Concussion (statistically significant, X2 = 16.2138, df = 1, p < 0.001) 7 4.55 31 8.99
laceration 5 3.25 3 0.87
contusion 74 48.05 100 28.99
sprain 27 17.53 71 20.58
strain 20 12.99 55 15.94
fracture 9 5.84 26 7.54
dislocation 0 0.00 4 1.16
joint irritation/dysfunction (statistically significant, X2 = 12.3451, df = 1 p < 0.001) 2 1.30 38 11.01
nose bleed 2 1.30 6 1.74
other 8 5.19 11 3.19
total 154 100.00 345 100.00