Table 3
 Independent predictors for survival
All patients
OR
95% CI
Decreasing age (years)
1.03
1.02 to 1.04
Arrest outside home
2.94
2.05 to 4.26
Witnessed arrest
2.16
1.45 to 3.28
Bystander CPR
1.75
1.20 to 2.55
Decreasing interval from call to arrival (units)
2.65
1.96 to 3.60