Independent predictors of US OR 95%CI p-value
Children (<18 years-old) 1.715 1.27-2.32 <0.001
Male gender 1.650 1.22-2.23 0.001
Syncope during exertion and/or palpitations preceding syncope 2.608 1.96-3.47 <0.001
Syncope after exertion 2.771 1.80-4.27 <0.001
Number of previous syncope episodes 0.363 0.37-0.48 <0.001
History palpitations requiring medical care 1.982 1.16-3.38 0.012
Fever-related syncope 9.585 4.12-22.30 <0.001
Participation in competitive sports 1.642 1.01-2.66 0.044