Table 1.
Selected preoperative demographic and clinical data.
| Variable | SVGD (+) N = 47 |
SVGD (−) N = 153 |
P value |
|---|---|---|---|
| Age [years] | 57.1 ± 7.5 | 64.7 ± 8.7 | <0.001 |
| Gender (M/F) | 37/10 | 111/42 | 0.383 |
| Obesitya | 19 (40.4) | 68 (44.4) | 0.875 |
| Arterial hypertension | 37 (78.7) | 105 (68.6) | 0.089 |
| Diabetes | 20 (42.6) | 69 (45.1) | 0.675 |
| Diabetes treated with insulin | 12 (25.5) | 19 (12.4) | 0.022 |
| Therapy duration [months] | 76.8 ± 10.6 | 20.4 ± 3.6 | 0.013 |
| Hyperlipidemia | 21 (44.7) | 68 (44.4) | 0.967 |
| Renal failureb | 7 (14.9) | 7 (4.6) | 0.042 |
| Active smokingc | 13 (27.7) | 18 (11.8) | 0.008 |
Continuous variables are expressed as the mean ± standard deviation; nominal data as the number (n) with percentages (%).
aIf body mass index (BMI) exceeded 30 kg/m2; bglomerular filtration rate (GFR) based on creatinine clearance calculated using Cockcroft-Gault formula [21] was below 50 mL/min/1.73 m2; cdefined as currently smoking one cigarette a day or quit smoking less than one month prior to surgery.
Abbreviation: SVGD: saphenous vein graft disease.