The long-term impact of a chronic total occlusion in a non-infarct-related artery on acute ST-segment elevation myocardial infarction after primary coronary intervention

Table 4 Follow-up results

Variable	Non-CTO (n = 226)	CTO (n = 97)	OR	95% CI	P value
Hospital stay, days	10.1 ± 4.9	13.8 ± 7.5	-	–	< 0.001
Events at 30 days
All-cause mortality mortality(n,%)	1 (0.4)	6 (6.2)	4.98	0.81–30.64	0.001
Stroke (n, %)	4 (1.8)	2 (2.1)	1.05	0.59–1.86	0.859
Re-infarction (n, %)	1 (0.4)	0	0.69	0.65–0.75	0.512
MACCE (n, %)	6 (2.7)	8 (8.3)	1.66	0.90–3.01	0.024
Events at 10 years
All-cause mortality(n,%)	9 (3.9)	17 (17.5)	2.02	1.19–3.43	< 0.001
Re-infarction (n, %)	12 (5.3)	17 (17.5)	1.76	1.13–2.73	< 0.001
Stroke (n, %)	9 (3.9)	7 (7.2)	1.26	0.81–1.95	0.218
Revascularization (n,%)	52 (23.0)	17 (17.5)	0.91	0.78–1.07	0.272
PCI (n, %)	50 (22.1)	10 (10.3)	0.80	0.69–0.93	0.012
CABG (n, %)	2 (0.9)	7 (7.2)	3.21	0.94–10.92	0.002
MACCE (n, %)	77 (34.1)	51 (52.6)	1.28	1.09–1.51	0.002

PCI, percutaneous coronary intervention; CABG, coronary artery bypass grafting; MACCE, major adverse cardiocelebral events

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