Table 2:
Open in new tab

Surgical characteristics

Before PSM
After PSM
Total (n = 4626)Non-PCS (n = 4532)PCS (n = 94)P-valueTotal (n = 370)Non-PCS (n = 296)PCS (n = 74)P-value
AsAo replacement3147 (68.0)3083 (68.0)64 (68.1)0.991a253 (68.4)202 (68.2)51 (68.9)0.885b
Arch replacement1046 (22.6)1027 (22.7)19 (20.2)0.574a74 (20.0)61 (20.6)13 (17.6)0.491b
Root replacement529 (11.4)515 (11.4)14 (14.9)0.287a45 (12.2)35 (11.8)10 (13.5)0.656b
Thoracic endovascular aortic repair504 (10.9)489 (10.8)15 (16.0)0.112a59 (15.9)48 (16.2)11 (14.9)0.730b
CABG445 (9.6)425 (9.4)20 (21.3)<0.001a*56 (15.1)45 (15.2)11 (14.9)0.932b
Valve replacement395 (8.5)384 (8.5)11 (11.7)0.268a40 (10.8)34 (11.5)6 (8.1)0.397b
Before PSM
After PSM
Total (n = 4626)Non-PCS (n = 4532)PCS (n = 94)P-valueTotal (n = 370)Non-PCS (n = 296)PCS (n = 74)P-value
AsAo replacement3147 (68.0)3083 (68.0)64 (68.1)0.991a253 (68.4)202 (68.2)51 (68.9)0.885b
Arch replacement1046 (22.6)1027 (22.7)19 (20.2)0.574a74 (20.0)61 (20.6)13 (17.6)0.491b
Root replacement529 (11.4)515 (11.4)14 (14.9)0.287a45 (12.2)35 (11.8)10 (13.5)0.656b
Thoracic endovascular aortic repair504 (10.9)489 (10.8)15 (16.0)0.112a59 (15.9)48 (16.2)11 (14.9)0.730b
CABG445 (9.6)425 (9.4)20 (21.3)<0.001a*56 (15.1)45 (15.2)11 (14.9)0.932b
Valve replacement395 (8.5)384 (8.5)11 (11.7)0.268a40 (10.8)34 (11.5)6 (8.1)0.397b

AsAo: ascending aorta; CABG: coronary artery bypass grafting; PCS: previous cardiac surgery; PSM: propensity score matching.

a

Chi-square test,.

b

Conditional logistic regression.

*P < 0.05.

Table 2:
Open in new tab

Surgical characteristics

Before PSM
After PSM
Total (n = 4626)Non-PCS (n = 4532)PCS (n = 94)P-valueTotal (n = 370)Non-PCS (n = 296)PCS (n = 74)P-value
AsAo replacement3147 (68.0)3083 (68.0)64 (68.1)0.991a253 (68.4)202 (68.2)51 (68.9)0.885b
Arch replacement1046 (22.6)1027 (22.7)19 (20.2)0.574a74 (20.0)61 (20.6)13 (17.6)0.491b
Root replacement529 (11.4)515 (11.4)14 (14.9)0.287a45 (12.2)35 (11.8)10 (13.5)0.656b
Thoracic endovascular aortic repair504 (10.9)489 (10.8)15 (16.0)0.112a59 (15.9)48 (16.2)11 (14.9)0.730b
CABG445 (9.6)425 (9.4)20 (21.3)<0.001a*56 (15.1)45 (15.2)11 (14.9)0.932b
Valve replacement395 (8.5)384 (8.5)11 (11.7)0.268a40 (10.8)34 (11.5)6 (8.1)0.397b
Before PSM
After PSM
Total (n = 4626)Non-PCS (n = 4532)PCS (n = 94)P-valueTotal (n = 370)Non-PCS (n = 296)PCS (n = 74)P-value
AsAo replacement3147 (68.0)3083 (68.0)64 (68.1)0.991a253 (68.4)202 (68.2)51 (68.9)0.885b
Arch replacement1046 (22.6)1027 (22.7)19 (20.2)0.574a74 (20.0)61 (20.6)13 (17.6)0.491b
Root replacement529 (11.4)515 (11.4)14 (14.9)0.287a45 (12.2)35 (11.8)10 (13.5)0.656b
Thoracic endovascular aortic repair504 (10.9)489 (10.8)15 (16.0)0.112a59 (15.9)48 (16.2)11 (14.9)0.730b
CABG445 (9.6)425 (9.4)20 (21.3)<0.001a*56 (15.1)45 (15.2)11 (14.9)0.932b
Valve replacement395 (8.5)384 (8.5)11 (11.7)0.268a40 (10.8)34 (11.5)6 (8.1)0.397b

AsAo: ascending aorta; CABG: coronary artery bypass grafting; PCS: previous cardiac surgery; PSM: propensity score matching.

a

Chi-square test,.

b

Conditional logistic regression.

*P < 0.05.

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