Skip to main content

Table 1 Baseline characteristics of the unmatched (left) and matched (right) groups

From: Total arterial revascularization in patients with acute myocardial infarction – feasibility and outcomes

  Unmatched study population Matched study population
Parameter SV group *
n = 296
TAR group *
n = 138
p-value SV group *
n = 152
TAR group *
n = 98
p-value
Female gender 85 (29) 24 (17) 0.011 33 (22) 21 (21) 0.96
Body mass index (kg/m2) 28 ± 4.7 28 ± 4.8 0.31 28 ± 5.0 28 ± 4.9 0.99
Age, years 71 ± 9.2 59 ± 10 < 0.01 66 ± 9.6 63 ± 9.8 0.08
NSTEMI 202 (68) 95 (69) 0.90 105 (69) 70 (71) 0.69
STEMI 94 (32) 43 (31)   47 (31) 28 (29)  
Coronary artery disease
1 vessel 11 (3.7) 1 (0.7) < 0.01 9 (5.9) 1 (1.0) 0.12
2 vessel 42 (14) 25 (18) 21 (14) 18 (18)
3 vessel 243 (82) 112 (82) 122 (80) 79 (81)
Diabetes mellitus
Without insulin 81 (27) 26 (19) 0.054 42 (27) 20 (20) 0.19
With insulin 50 (17) 15 (11) 29 (19) 11 (11)
Chronic kidney disease
Stage I (GFR > 89 ml/min) 3 (1.0)
120 (41)
0
31 (22.5)
0.034 2 (1.3)
57 (38)
0
29 (30)
0.13
Stage II (GFR 60-89 ml/min) 75 (25) 10 (7.2) 21 (14) 9 (9.2)
Stage III (GFR 30-59 ml/min) 8 (2.7)
11 (3.7)
1 (0.7)
1 (0.7)
2 (1.3) 1 (1.0)
1 (1.0)
Stage IV (GFR 15-29 ml/min) 11 (3.7) 0 6 (3.9) 0
Stage V (GFR < 15 ml/min)    0.046    0.092
Chronic dialysis       
Arterial hypertension 281 (95) 129 (95) 0.35 145 (95) 90 (92) 0.25
Hypercholesterinemia 195 (66) 92 (67) 0.87 101 (66) 67 (68) 0.75
Cerebral arterial occlusive disease 42 (14) 10 (14) 0.24 21 (14) 11 (11) 0.55
Peripheral arterial occlusive disease
Fontaine I 6 (2.0) 1 (0.7) 0.078 5 (3.2) 1 (1.0) 0.46
Fontaine II 31 (10) 11 (8.0) 17 (11) 10 (10)
Fontaine III 5 (1.7) 1 (0.7) 1 (0.7) 1 (1.0)
Fontaine IV 7 (2.4) 1 (0.7) 2 (1.3) 1 (1.0)
Chronic obstructive pulmonary disease 32 (11) 11 (8.0) 0.36 16 (11) 8 (8.2) 0.54
PCI before CABG 32 (11) 20 (14) 0.72 12 (7.9) 12 (12) 0.36
Preoperative LVEF
<20% 21 (7.4) 5 (3.7) 0.047 10 (6.9) 4 (4.2) 0.18
20–30% 27 (9.5) 4 (3.0) 8 (5.6) 3 (3.2)
31–50% 99 (35) 45 (33) 57 (40) 29 (31)
>50% 137 (48) 81 (60) 69 (48) 59 (62)
EuroSCORE II 7.2 ± 8.1 3.4 ± 4.6 < 0.01 5.3 ± 6.1 4.8 ± 5.3 0.14
  1. Abbreviations: CABG coronary artery bypass grafting, GFR glomerular filtration rate, LVEF left-ventricular ejection fraction, NSTEMI non-ST-segment elevation myocardial infarction, PCI percutaneous coronary intervention, SV saphenous vein grafts, STEMI ST-segment-elevation myocardial infarction, TAR total arterial revascularization
  2. aContinuous variables: mean ± SD; categorical variables: n (%)