Table 5.

Logistic regression for predictors of prolonged P-R interval

Variables		Univariate			Multivariate
		OR	95% CI	p-value	OR	95% CI	p-value
SYNTAX score	≥ 20	1.458	0.871–2.440	0.152	1.130	0.538–2.375	0.747
	< 20	Ref	Ref	Ref	Ref	Ref	Ref
Significant CAD	Yes	0.457	0.231–0.901	0.024	1.886	0.789–4.510	0.154
	No	Ref	Ref	Ref	Ref	Ref	Ref
3VD	Yes	0.571	0.331–0.986	0.044	1.123	0.532–2.245	0.742
	No	Ref	Ref	Ref	Ref	Ref	Ref
Inverted T wave	Yes	0.422	0.206–0.863	0.018	0.524	0.217–1.268	0.152
	No	Ref	Ref	Ref	Ref	Ref	Ref
Anterior STD	Yes	2.039	1.203–3.454	0.008	1.510	0.799–2.853	0.204
	No	Ref	Ref	Ref	Ref	Ref	Ref
Heart rate (bpm)	≤ 60	1.399	0.806–2.429	0.189	1.505	0.810–2.796	0.196
	> 60	Ref	Ref	Ref	Ref	Ref	Ref
HDL (mg/dl)	≤ 40	1.674	0.799–3.508	0.172	1.955	0.812–4.707	0.135
	> 40	Ref	Ref	Ref	Ref	Ref	Ref