Table 1.

Baseline clinical and demographic characteristics of patients with analysable thrombus aspirates according to presentation as early and late stent thrombosis

	Early (<30 days), n = 79	Late (>30 days), n = 174	P-value
Age	66 [57,74]	62 [54,72]	0.94
Sex
Male	54 (68.4)	143 (82.2)	0.014
Coronary artery disease, n (%)
1-vessel	36 (48.0)	97 (59.1)	0.24
2-vessel	25 (33.3)	46 (28.0)
3-vessel	14 (18.7)	21 (12.9)
Multi-vessel disease	39 (52.0)	67 (40.9)	0.11
History of coronary bypass	5 (6.4)	16 (9.2)	0.46
Ejection fraction <30%	2 (2.7)	4 (2.4)	>0.99
Risk factors
Diabetes	30 (38.5)	35 (20.2)	0.002
Hypertension	42 (55.3)	69 (41.3)	0.043
Ex-/smoker	51 (65.4)	123 (72.3)	0.22
Hypercholesterolaemia	66 (83.5)	157 (90.2)	0.13
Clinical presentation
Unstable angina pectoris	3 (3.8)	6 (3.5)	0.629
Non-ST-elevation MI	9 (11.5)	28 (16.2)
ST-elevation MI	66 (84.6)	139 (80.3)
Antiplatelet therapy
Aspirin	69 (87.3)	138 (80.7)	0.20
ADP-receptor antagonist	65 (82.3)	43 (25.0)	<0.001
Clopidogrel	43 (66.2)	26 (60.5)
Prasugrel	7 (10.8)	11 (25.6)
Ticagrelor	15 (23.1)	6 (14)
Dual antiplatelet therapy	60 (75.9)	36 (20.9)	<0.001
Coexisting conditions
Renal failure (GFR < 30 mL/min)	6 (7.8)	10 (5.8)	0.580
Dialysis	1 (1.3)	2 (1.1)	>0.99
Stroke	6 (7.7)	9 (5.2)	0.57
Autoimmune disease	1 (1.4)	5 (2.9)	0.67
Active malignancy	3 (3.9)	5 (3.0)	0.71
Stent type
Bare metal stent	22 (27.8)	57 (32.8)	<0.001
First-generation DES	4 (5.1)	49 (28.2)
Second-generation DES	45 (57.0)	47 (27.0)
Unknown DES type	8 (10.1)	13 (7.5)
Presentation at index intervention			0.026
Stable angina pectoris	18 (24.0)	49 (30.4)
Unstable angina pectoris	6 (8.0)	21 (13.0)
Non-ST-elevation MI	23 (30.7)	23 (14.3)
ST-elevation MI	28 (37.3)	68 (42.2)
EF < 30% at index PCI	2 (2.7)	3 (1.8)	0.65

Data are shown as median [Q1, Q3] or n (%). Percentages were calculated on the basis of patients with available information.

MI, myocardial infarction; DES, drug-eluting stent.