Table 2.

Results of analysis-of-variance (ANOVA) testing and ANCOVA adjusting for procedure date and PV angiography.

	Unadjusted ANOVA		Adjusted ANCOVA
	p	η2	p	${\eta }_{\text{P}}^2$
Procedure duration
- Software version	<0.001	0.124	0.111	0.035
- procedure date			0.003	0.004
- PV angiography			0.061	0.063
Fluoroscopy duration
- Software version	<0.001	0.199	<0.01	0.113
- Procedure date			<0.01	0.079
- PV angiography			<0.01	0.066
Dose area product
- Software version	<0.001	0.148	0.302	0.022
- Procedure Date			0.395	0.004
- PV angiography			0.004	0.049

Reported are unadjusted and adjusted p-values and effect size measures (eta square η² and partial eta square ${\eta }_{\text{P}}^2$) for software version for the outcome parameters procedure duration, fluoroscopy duration, and dose area product.