Table 1.

Pooled patients baseline data

Variables	Pooled data
Patients, n	1,191
Males, n (%)	718/965 (74.40%)
Age, mean (95% CI)	12.17 (10.67–13.88) years
Grafts	2,043
Grafts per patient, mean (95% CI)	1.79 (1.55–2.00)
Redo surgery, n (%)	56/1,114 (5.02%)
Off-pump surgery, n (%)	60/871 (6.89%)