Table 3

 Independent predictors for survival

All patients
OR95% CI
Decreasing age (years)1.031.02 to 1.04
Arrest outside home2.942.05 to 4.26
Witnessed arrest2.161.45 to 3.28
Bystander CPR1.751.20 to 2.55
Decreasing interval from call to arrival (units)2.651.96 to 3.60