Table 4.

Final predictive model of embolism in patients with S. aureus endocarditis.

Predictor	Pa (ridge regression)	Pb (analysis of deviance)	Adjusted OR (95% CI)
sedjr-positive S. aureus	0.018	<0.0001	0.073 (0.004–0.457)
Age > 62.5 y	0.024	<0.0001	0.137 (0.048–0.358)
Injection drug use	0.027	0.051	–c
CC30 S. aureus	0.082	0.015	9.734 (1.527–192.8)
mecA-positive S. aureus	0.193	0.671	–

^at-test for coefficient significance in logistic ridge regression model with 15 candidate predictors

^blikelihood ratio test for model improvement in unregularized logistic regression;

^cpredictors with P > 0.05 in analysis of deviance were excluded from the final model.