Baseline Characteristics | Before matching | Before matching | After matching | After matching | |||
2nd-arterial conduit (n=717) | SITA+Vein (n=7140) |
p
|
2nd-arterial conduit (n=695) | SITA+Vein (n=695) |
p
|
SMD
|
|
Age(y) | 57.9±8.54 | 65±8.42 | <0.001 | 58.4±8.17 | 58.3±8.54 | 0.88 | 0.01 |
Age>70 | 54(7.5) | 2071(29.0) | <0.001 | 54(7.7) | 68(9.7) | 0.18 | |
Female gender | 126(17.5) | 1875(26.2) | <0.001 | 125(17.9) | 133(19.1) | 0.58 | -0.04 |
PVD | 86(11.9) | 1189(16.6) | 0.001 | 86(12.3) | 97(13.9) | 0.38 | -0.07 |
BMI(kg/m2) | 28.2±3.9 | 28.5±6.8 | 0.22 | 28.2±3.94 | 28.3±4.32 | 0.58 | -0.02 |
BMI≥30 | 220(30.6) | 2400(33.6) | 0.11 | 215(30.9) | 236(33.9) | 0.22 | |
History of CAEs | 14(1.95) | 333(4.6) | <0.001 | 14(2.0) | 12(1.7) | 0.69 | 0.086 |
Diabetes | 159(22.1) | 2665(37.3) | <0.001 | 157(22.5) | 167(24.0) | 0.52 | -0.04 |
MI(<90 days) | 193(26.9) | 2489(34.8) | <0.001 | 189(27.1) | 174(25.0) | 0.35 | 0.06 |
NYHA III-IV | 55(7.6) | 458(6.41) | 0.19 | 53(7.6) | 61(8.7) | 0.43 | -0.08 |
CLD | 36(5.0) | 437(6.12) | 0.23 | 36(5.1) | 36(5.1) | >0.99 | 0.000 |
PCI | 194(27.0) | 1623(22.7) | 0.008 | 183(26.3) | 188(27.0) | 0.76 | -0.02 |
Active smokers | 197(27.4) | 1434(20.0) | <0.001 | 191(27.4) | 169(24.3) | 0.17 | 0.09 |
Hypertension | 620(86.4) | 6043(84.6) | 0.19 | 599(86.1) | 601(86.4) | 0.87 | -0.01 |
Hyperlipidemia | 310(43.2) | 2640(36.9) | 0.001 | 295(42.4) | 279(40.1) | 0.38 | 0.05 |
Moderate renal impairment | 397(55.3) | 4273(59.8) | 0.02 | 389(55.9) | 372(53.5) | 0.35 | 0.05 |
Severe renal impairment | 32(4.46) | 889(12.4) | <0.001 | 32(4.6) | 38(5.4) | 0.46 | -0.099 |
EF<50% | 171(23.8) | 2295(32.1) | <0.001 | 169(24.3) | 167(24.0) | 0.9 | 0.008 |
LM | 301(41.9) | 2166(30.3) | <0.001 | 288(41.4) | 282(40.5) | 0.74 | 0.01 |
Emergent/Urgent | 298(41.5) | 2611(36.5) | 0.008 | 285(41.0) | 287(41.2) | 0.91 | -0.006 |
Operative Characteristics | |||||||
OPCAB | 330(46.0) | 3095(43.3) | 0.16 | 326(46.9) | 257(36.9) | <0.001 | |
Number of grafts | 2.4±0.59 | 2.7±0.66 | <0.001 | 2.4±0.58 | 2.7±0.68 | <0.001 | |
Incomplete revascularization | 183(25.5) | 1713(23.9) | 0.36 | 180(25.8) | 139(20.0) | 0.008 |