Timeout for Contrast: Using Physician Behavior Modification to Reduce Contrast in the Catheterization Laboratory

Table 1

Operator is related to significant decrease in contrast, date range is related to significant decrease in contrast, and combined operator and date range show significant decrease in contrast.

Two-way ANOVA contrast vs. provider and time period
	value	Statistically significant?
Cath operator name	<2.2e − 16	Yes
Date range	5.009e − 14	Yes
Cath operator date range	0.00149	Yes