Table 3. Odds Ratios (OR) and 95% Confidence Intervals (CIs) of injury
in mixed martial arts matches from multivariate logistic regression models,
September 2001 through December 2004, Nevada.

Model 

Variables

OR

95%CI

Unconditional logistic regression

 

Age *†

1.29

0.73-2.26

 

Weight *†

1.03

0.95-1.11

 

Lost match

2.32

1.36-3.98

 

KO or TKO

1.71

0.97-3.01

 

Rounds fought †

1.44

1.11-1.87

1:1 matched conditional logistic regression

 

Age *†

3.11

1.11-8.59

 

Weight difference *†

1.10

0.90-1.34

 

Lost match

2.69

1.44-5.0
*Odds Ratio for a ten-unit change in age and weight.
† A continuous variable.