Gene Genotype Injured Non-injured p-value
    50 % 49 %  
ACTN3 RR 18 36.0 8 16.3 0.0157*
  RX 21 42.0 18 36.7  
XX 11 22.0 23 47.0  
RR 18 36.0 8 16.3 0.0261*
RX+XX 32 64.0 41 83.7  
RR+RX 39 78.0 26 53.1 0.0090**
XX 11 22.0 23 46.9  
  Allele R 57 57.0 34 34.7 0.0016**
X 43 43.0 64 65.3  
ACE DD 10 20.0 5 10.2 0.3970
  ID 21 42.0 23 46.9  
II 19 38.0 21 42.9  
DD 10 20.0 5 10.2 0.1741
II+ID 40 80.0 44 89.8  
  Allele D 41 41.0 33 33.7 0.2867
I 59 59.0 65 66.3  
UCP1 A/A 16 32.0 15 30.6 0.9535
  A/G 25 50.0 24 49.0  
G/G 9 18.0 10 20.4  
A/A+A/G 41 82.0 39 79.6 0.7610
G/G 9 18.0 10 20.4  
  Allele A 57 57.0 54 55.1 0.7879
G 43 43.0 44 44.9  
UCP2 G/G 14 28.0 13 26.5 0.7488
  G/A 22 44.0 25 51.0  
A/A 14 28.0 11 22.5  
G/G+G/A 36 72.0 38 77.6 0.5250
A/A 14 28.0 11 22.4  
  Allele G 50 50.0 51 52.0 0.7739
A 50 50.0 47 48.0  
UCP3 C/C 7 14.0 5 10.2 0.7271
  C/T 18 36.0 21 42.9  
T/T 25 50.0 23 46.9  
C/C 7 14.0 5 10.2 0.5629
C/T+T/T 43 86.0 44 89.8  
  Allele C 32 32.0 31 31.6 0.9558
T 68 68.0 67 68.4  
*: P-value < 0.05, **: P-value < 0.01
Table 2: Allele distribution associated with a combination of sports injuries (muscle strain+ligament rupture) of injured and non-injured athletes.