Optimal use of fielder XT guidewire enhances the success rate of chronic total occlusion percutaneous coronary intervention

Table 4 Procedural outcomes and in-hospital complications in the two groups

	Overall population, n = 1230	XTgroup, n = 686	No-XT group, n = 544	P-value
Stent length, mm	34.3 ± 16.8	32.0 ± 15.8	37.3 ± 17.6	< 0.001
Contrast amount, mL	156.1 ± 45.6	148 ± 46	166 ± 43	< 0.001
Side branch loss	75 (6.1)	31 (4.5)	44 (8.1)	0.009
CIN	69 (5.6)	29 (4.2)	40 (7.4)	0.018
Coronary artery rupture	11 (0.9)	3 (0.4)	8 (1.5)	0.056
No reflow	22 (1.9)	8 (1.2)	14 (2.9)	0.034
Post-PCI MI	102 (8.3)	43 (6.3)	59 (10.8)	0.004
In-hospital death	8 (0.7)	2 (0.3)	6 (1.1)	0.079
TLR	10 (0.8)	3 (0.4)	7 (1.3)	0.099
MACE	101 (8.3)	44 (6.4)	57 (10.7)	0.007
Success rate	1032 (83.9)	602 (87.8)	430 (79.0)	< 0.001
Procedure time, min	78 ± 23	74 ± 23	83 ± 21	< 0.001

Values represent the mean ± SD or number of patients and proportion (%). CIN: Contrast-induced nephropathy; MI: Myocardial infarction; PCI: Percutaneous coronary intervention; TLR: Target lesion revascularization; MACE: Major adverse cardiovascular event.