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Table 1 Clinical characteristics of all patients at randomization and those who underwent follow-up angiography

From: Long-term performance of an external stent for saphenous vein grafts: the VEST IV trial

Characteristic All patients (n = 30) Angiographic follow-up (n = 21)
Age (years) 65 ± 8 65 ± 9
Male 27 (90) 16 (89)
Smoking status:
 Current 3 (10) 2 (10)
 Ex-smoker 22 (73.3) 15 (71)
 Never 5 (16.7) 4 (19)
Diabetes:
 IDDM 5 (17) 3 (14)
 NIDDM 6 (20) 5 (24)
 No history 19 (63) 13 (62)
Hypertension: 20 (66.7) 14 (67)
Hyperlipidemia 29 (96.7) 20 (95)
Prior stroke (non-debilitating) 1 (3.3) 1 (5)
COPD 1 (3.3) 0
NYHA class:
 I 11 (36.7) 6 (29)
 II 13 (43.3) 9 (43)
 III 4 (13.3) 4 (19)
 IV 2 (6.7) 2 (9)
LVEF (%) 56 ± 10 55 ± 10
Creatinine (umol/L) 85 ± 18.9 81.7 ± 18.1
Pre-op Logistic EuroSCORE (%) 1.58 ± 1.29 1.7 ± 1.4
Total number grafts/patient 3.3 ± 0.5 3.4 ± 0.5
Days of follow up 1601 ± 102 1601 ± 113
  1. Mean (±SD) or n (%). IDDM insulin dependent diabetes, NIDDM non-insulin dependent diabetes, COPD chronic obstructive pulmonary disease, NYHA New York Heart Association, LVEF left ventricular ejection fraction