Pretest Score for Predicting Microbubble Contrast Agent Use in Stress Echocardiography: A Method to Increase Efficiency in the Echo Laboratory

Table 3

Tested variables not included in the final score model.

	Univariate analysis			Multivariate analysis
	𝛽 Coefficient	𝑃 value	OR (95% CI)	𝛽 Coefficient	𝑃 value	OR (95% CI)
Calcium channel blocker use	0.18	.003	1.19 (1.08–1.32)	−0.06	.33	0.95 (0.85–1.05)
𝛽-Blocker use	0.41	<.001	1.5 (1.39–1.62)	0.07	.11	1.07 (0.98–1.17)
BMI (per 10-unit increase)	1.06	<.001	2.88 (2.67–3.08)	1.04	<.001	2.83 (2.64–3.04)
Total score^∗ (per 2-unit increase)	0.84	<.001	2.31 (2.20–2.42)	—	—	—

BMI, body mass index; CI, confidence interval; OR, odds ratio. ^∗Ellipses indicate not applicable.