Table 2.

Baseline procedural characteristics of the patent group and the occluded group.

Items	Patent (112)	Occluded (22)	P
On-pump	59 (52.7)	14 (63.6)	0.483
Vein harvest technique			0.283
Bridge	3 (2.7)	2 (9.1)
Endoscopic	20 (18.0)	2 (9.1)
Open	77 (69.4)	18 (81.8)
No-touch	3 (2.7)	0 (0.0)
Proximal anastomosis technique			0.805
PAC	26 (23.4)	5 (22.7)
Anastomosis device	54 (48.6)	13 (59.1)
SAC	26 (23.4)	4 (18.2)
No-touch	5 (4.5)	0 (0.0)
Sequential graft	53 (47.7)	8 (36.4)	0.359
Composite graft	7 (6.4)	2 (9.1)	0.645
IABP			0.178
No-use	101 (91.0)	19 (86.4)
Pre-operation	5 (4.5)	1 (4.5)
Intra-operation	3 (2.7)	2 (9.1)
Post-operation	2 (1.8)	2 (0.0)
Number of vessel conduits	3.0 (3.0–4.0)	3.0 (2.0–4.0)	0.392
Bleeding(ml)	500.0 (350.0–800.0)	500.0 (300.0–725.0)	0.305
Mechanical ventilation time(h)	12.0 (8.0–18.0)	14.5 (7.8–18.0)	0.190
Operation time(min)	270.0 (230.0–300.0)	270.0 (227.5–302.5)	0.090
Antiplatelet strategy			0.279
Aspirin	61 (54.4)	14 (63.6)
Clopidogrel	4 (3.6)	1 (4.5)
Dual- antiplatelet	47 (42.0)	7 (31.8)
New POAF (n, %)	32 (28.8)	5 (22.7)	0.615
CRRT (n, %)	3 (2.7)	0 (0.0)	1.000

IABP, intra-aortic balloon pump; LIMA, left internal mammary artery; SVG, saphenous vein grafting; PI, pulse index; MGF, mean graft flow; DF, diastolic flow fraction; POAF, postoperative atrial fibrillation; CRRT, continuous renal replacement therapy; PAC, partial aorta clamp; SAC, single aorta clamp.