Table 2.

Predictors of high-risk syncope from multivariate analysis with constant values of logistic regression and point scores for each predictor

Variable	P	Regression coefficient B (standard error)	Risk ratios	Score
(Constant)	< 0.001	-5.03 (0.72)
Dyspnoea	< 0.005	3.04 (0.97)	4.83	1
Ortostatism	< 0.05	1.60 (0.80)	4	1
Precipitating cause for syncope	< 0.005	1.78 (0.61)	5.28	1
Age > 58	< 0.05	1.45 (0.58)	5.99	1
Congestive heart failure history	< 0.05	1.47 (0.61)	4.75	1
Electrocardiogram	< 0.001	1.72 (0.53)	7.42	2

Note: R² = 0.33 (Cox and Snell), 0.56 (Nagelkerke). Model Chi-square (1) = 93.08, P < 0.001.