TABLE 3

Results of Multivariate Cox Regression Model of Prolonged Recovery

VariableHazard RatioSE95% CI
Gender1.29350.18570.9762–1.7139
Age0.98340.02540.9348–1.0345
Loss of consciousness1.11480.19600.7899–1.5734
Number of previous concussions1.03300.06870.9067–1.1769
Total score on initial PCSSa0.97970.00300.9738–0.9856
Amnesia1.22730.17730.9245–1.6292
Cognitive activity-daysa0.99420.00090.9924–0.9960
  • CI, confidence interval.

  • a Independently associated with symptom duration.