Table 2.

Difference in patency rates between P-LITA and S-LITA at 3 and 8 years.

Variable	P-LITA		S-LITA		P-LITA-S-LITA
Time after surgery (years)	Assessed	Patent	Assessed	Patent	Difference in patency	95%CI	p value
3	48	46 (95.8%)	52	47 (90.4%)	5.4	−4.2%–14.5%	0.44
8	43	40 (93.0%)	41	37 (90.2%)	2.8	−9.9%–14.1%	0.71

CI: confidence interval; P-LITA: pedicled left internal thoracic artery; S-LITA: skeletonized left internal thoracic artery.