Long-term outcomes of medical therapy versus successful recanalisation for coronary chronic total occlusions in patients with and without type 2 diabetes mellitus

Table 4 Clinical outcomes of propensity-matched patients with and without diabetes stratified according to medical therapy or successful CTO-PCI

Patients with diabetes	Medical therapy	Successful PCI	P value
Patients with diabetes	(n = 270)	(n = 135)	P value
Cardiac death	17 (6.3)	3 (2.2)
HR (95% CI)	1	0.34 (0.10–1.17)	0.088
MI	27 (10.0)	12 (8.9)
HR (95% CI)	1	0.88 (0.45–1.75)	0.723
TVR	48 (17.8)	19 (14.1)
HR (95% CI)	1	0.71 (0.42–1.20)	0.202
MACE	86 (31.9)	26 (19.3)
HR (95% CI)	1	0.54 (0.35–0.84)	0.006

Patients without diabetes	Medical therapy	Successful PCI	P value
Patients without diabetes	(n = 462)	(n = 231)	P value
Cardiac death	20 (4.3)	11 (4.8)
HR (95% CI)	1	1.05 (0.50–2.19)	0.895
MI	33 (7.1)	15 (6.5)
HR (95% CI)	1	0.91 (0.49–1.68)	0.763
TVR	55 (11.9)	23 (10.0)
HR (95% CI)	1	0.81 (0.50–1.32)	0.400
MACE	90 (19.5)	38 (16.5)
HR (95% CI)	1	0.80 (0.55–1.17)	0.257

Values are presented as n (%)
CI confidence interval(s), HR hazard ratio, MACE major adverse cardiovascular events, MI myocardial infarction, PCI percutaneous coronary intervention, TVR target-vessel revascularization

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