Skip to main content

Table 5 Results for the multivariable logistic regression analysis of the characteristics independently associated with a subsequent diagnosis of concussion

From: A video review of multiple concussion signs in National Rugby League match play

      95% confidence interval for odds ratio
Predictors β Standard error Wald Odds ratioa Lower bound Upper bound
Unresponsiveness or loss of consciousness − 0.271 0.415 0.426 0.763 0.339 1.719
Vacant stare* 1.090 0.438 6.199 2.974 1.261 7.012
Clutch or shake head 0.450 0.411 1.199 1.569 0.701 3.512
Anticipated the oncoming hit* 1.367 0.572 5.721 3.924 1.280 12.03
Number of defenders involved in the tackle* − 0.553 0.853 5.432 0.575 0.361 0.916
  1. aaOR represents the difference in odds per point of the given variable
  2. *95% confidence interval for odds ratio does not include 1