Table 2.

Epicardial echocardiogram variables

	Pre-protocol (n=30)	On-protocol (n=30)	P value
Epicardial echo performed	22 (73%)	30 (100%)	0.005
Study duration (min)*	14 (4 to 42)	14 (5 to 42)	0.80
Residual lesion identified on echo	3 (10%)	4 (13%)	1.0
Additional bypass run to address residual lesion	1 (3%)	0 (0%)	1.0

Data presented as n (%) or median (range)

Echo: echocardiogram

^*Excludes 3 pre-protocol and 2 on-protocol patient who had additional bypass runs