Table 4 Predictors of flow insufficiency for the 549 bypass grafts
From: Predictors and prevention of flow insufficiency due to limited flow demand
Variables | Odds ratio | 95% CI | p-value |
|---|---|---|---|
Univariate analysis | |||
Hyperlipidemia | 0.92 | (0.61–1.40) | 0.70 |
Hypertension | 1.13 | (0.73–1.74) | 0.59 |
Diabetes | 1.01 | (0.67–1.53) | 0.96 |
Renal failure | 0.20 | (0.048–0.85) | 0.03 |
Ejection Fraction < 40% | 0.42 | (0.21–0.84) | 0.01 |
LV mass < 250 (g) | 1.12 | (0.68–1.83) | 0.66 |
Intraaortic balloon pump | 0.66 | (0.36–1.21) | 0.18 |
Atrial Fibrillation | 0.98 | (0.32–2.98) | 0.96 |
Distal lesion (vs. proximal lesion) | 1.78 | (1.17–2.70) | 0.007 |
Graft; in-situ GEA (vs. ITA) | 1.91 | (1.16–3.12) | 0.01 |
Graft; SVG (vs. ITA) | 0.84 | (0.47–1.51) | 0.55 |
MLD > cut-off value | 3.25 | (2.11–5.01) | <0.0001 |
Female (vs. male) | 1.46 | (0.91–2.34) | 0.12 |
Grafted region; LCX (vs. LAD) | 1.69 | (0.99–2.89) | 0.055 |
Grafted region; RCA (vs. LAD) | 2.51 | (1.52–4.13) | 0.0003 |
History of PCI in the grafted region | 1.58 | (0.90–2.76) | 0.11 |
History of MI in the grafted region | 1.96 | (1.17–3.26) | 0.009 |
Multivariate analysis | |||
Renal failure | 0.24 | (0.055–1.13) | 0.07 |
Ejection Fraction < 40% | 0.47 | (0.22–1.01) | 0.052 |
Intraaortic balloon pump | 0.85 | (0.42–1.69) | 0.64 |
Distal lesion (vs. proximal lesion) | 3.12 | (1.86–5.22) | <0.0001 |
Graft; in-situ GEA (vs. ITA) | 0.27 | (0.058–1.24) | 0.09 |
Graft; SVG (vs. ITA) | 0.19 | (0.052–0.72) | 0.01 |
MLD > cut-off value | 3.64 | (2.20–6.03) | <0.0001 |
Female (vs. male) | 1.56 | (0.92–2.64) | 0.10 |
Grafted region; LCX (vs. LAD) | 2.29 | (1.22–4.27) | 0.009 |
Grafted region; RCA (vs. LAD) | 18.21 | (3.95–84.02) | 0.0002 |
History of PCI in the grafted region | 1.23 | (0.61–2.49) | 0.56 |
History of MI in the grafted region | 2.21 | (1.13–4.31) | 0.02 |