Table 4 Risk of subsequent injury in the year after concussion in 66 football players, after adjusting for the number of injuries in the preceding
year
FU time
Number of injuries
Pre concussion Post concussion HR 95% CI
All injuries 172±101 127 153 1.47 1.05 to 2.05
Sudden onset injuries 171±102 75 107 1.70 1.20 to 2.41
Gradual onset injuries 176±99 48 46 1.00 0.60 to 1.66
The mean follow-up time (FU time), number of injuries and HR together with 95% CI are presented.
Table 3 Risk of injury after concussion (n=66) or randomly selected injury (n=1599) in the year after the index trauma, divided into different
time periods
At least one injury (n=874)
At least one sudden onset
injury (n=709)
At least one gradual onset
injury (n=414)
HR 95% CI HR 95% CI HR 95% CI
0 to