Baseline Baseline Baseline Baseline Weighted characteristics after IPW Weighted characteristics after IPW Weighted characteristics after IPW Weighted characteristics after IPW
Perceval SAVR p-value* SMD Perceval SAVR p-value** SMD
N = 265 N = 394 N = 258 N = 394
N (%) or Mean (SD) N (%) or Mean (SD) Weighted % or mean (SE) Weighted % or mean (SE)
Mean total ventilation (hours) 18.32 (43.84) 28.44 (115.96) 0.18 -0.115 16.33 (2.31) 29.1 (5.72) 0.04 -0.146
Mean CTICU length of stay (hours) 55.38 (67.92) 58.68 (117.61) 0.68 -0.034 52.28 (3.85) 61.81 (6.37) 0.2 -0.099
Median CTICU length of stay (hours) 28.3 (20.5-61.5) 25.275 (20-47.5) 0.058 33.23 37 0.34 -0.079
Postoperative blood transfusion 96 (36.2) 132 (33.5) 0.47 0.057 36.67 36.3 0.93 0.008
Atrial fibrillation 102 (38.5) 138 (35.0) 0.36 0.072 2.41 2.49 0.95 -0.005
Permanent stroke 6 (2.3) 10 (2.5) 0.82 -0.018 0.92 2.18 0.18 -0.094
In-hospital Mortality 3 (1.1) 10 (2.5) 0.2 -0.105 0 0.66 0.1 -0.108
Renal failure or insufficiency (new STS defn) 0 (0.0) 3 (0.8) 0.15 -0.124 9.55 12.24 0.31 -0.086
Prolonged ventilation 27 (10.2) 45 (11.4) 0.62 -0.04 10.67 6.33 0.06 0.154
Permanent pacemaker or ICD 30 (11.3) 24 (6.1) 0.016 0.186 20.04 16.94 0.34 0.079
Pleural effusion 58 (21.9) 62 (15.7) 0.045 0.158 8.48 (0.38) 7.65 (0.34) 0.1 0.132
Median Length of stay (days) 7 (5-10) 6 (5-8) <0.001* 0.219
Abbreviation: savr - surgical aortic valve replacement; sd - standard deviation; smd - standardized mean difference; cabg: coronary artery bypass graft surgery; cticu – cardiothoracic intensive care unit Abbreviation: savr - surgical aortic valve replacement; sd - standard deviation; smd - standardized mean difference; cabg: coronary artery bypass graft surgery; cticu – cardiothoracic intensive care unit Abbreviation: savr - surgical aortic valve replacement; sd - standard deviation; smd - standardized mean difference; cabg: coronary artery bypass graft surgery; cticu – cardiothoracic intensive care unit Abbreviation: savr - surgical aortic valve replacement; sd - standard deviation; smd - standardized mean difference; cabg: coronary artery bypass graft surgery; cticu – cardiothoracic intensive care unit Abbreviation: savr - surgical aortic valve replacement; sd - standard deviation; smd - standardized mean difference; cabg: coronary artery bypass graft surgery; cticu – cardiothoracic intensive care unit Abbreviation: savr - surgical aortic valve replacement; sd - standard deviation; smd - standardized mean difference; cabg: coronary artery bypass graft surgery; cticu – cardiothoracic intensive care unit Abbreviation: savr - surgical aortic valve replacement; sd - standard deviation; smd - standardized mean difference; cabg: coronary artery bypass graft surgery; cticu – cardiothoracic intensive care unit Abbreviation: savr - surgical aortic valve replacement; sd - standard deviation; smd - standardized mean difference; cabg: coronary artery bypass graft surgery; cticu – cardiothoracic intensive care unit Abbreviation: savr - surgical aortic valve replacement; sd - standard deviation; smd - standardized mean difference; cabg: coronary artery bypass graft surgery; cticu – cardiothoracic intensive care unit
aminimally invasive approaches include partial sternotomy, right or left parasternal incision, right thoracotomy, limited (mini) thoracotomy, and other thoracotomy procedures aminimally invasive approaches include partial sternotomy, right or left parasternal incision, right thoracotomy, limited (mini) thoracotomy, and other thoracotomy procedures aminimally invasive approaches include partial sternotomy, right or left parasternal incision, right thoracotomy, limited (mini) thoracotomy, and other thoracotomy procedures aminimally invasive approaches include partial sternotomy, right or left parasternal incision, right thoracotomy, limited (mini) thoracotomy, and other thoracotomy procedures aminimally invasive approaches include partial sternotomy, right or left parasternal incision, right thoracotomy, limited (mini) thoracotomy, and other thoracotomy procedures aminimally invasive approaches include partial sternotomy, right or left parasternal incision, right thoracotomy, limited (mini) thoracotomy, and other thoracotomy procedures aminimally invasive approaches include partial sternotomy, right or left parasternal incision, right thoracotomy, limited (mini) thoracotomy, and other thoracotomy procedures aminimally invasive approaches include partial sternotomy, right or left parasternal incision, right thoracotomy, limited (mini) thoracotomy, and other thoracotomy procedures aminimally invasive approaches include partial sternotomy, right or left parasternal incision, right thoracotomy, limited (mini) thoracotomy, and other thoracotomy procedures
*p-values obtained from chi-squared tests, wilcoxon rank-sum tests, or two sample t-tests as appropriate *p-values obtained from chi-squared tests, wilcoxon rank-sum tests, or two sample t-tests as appropriate *p-values obtained from chi-squared tests, wilcoxon rank-sum tests, or two sample t-tests as appropriate *p-values obtained from chi-squared tests, wilcoxon rank-sum tests, or two sample t-tests as appropriate *p-values obtained from chi-squared tests, wilcoxon rank-sum tests, or two sample t-tests as appropriate *p-values obtained from chi-squared tests, wilcoxon rank-sum tests, or two sample t-tests as appropriate *p-values obtained from chi-squared tests, wilcoxon rank-sum tests, or two sample t-tests as appropriate *p-values obtained from chi-squared tests, wilcoxon rank-sum tests, or two sample t-tests as appropriate *p-values obtained from chi-squared tests, wilcoxon rank-sum tests, or two sample t-tests as appropriate
**p-values for dichotomous and categorical variables are corrected, weighted, pearson chi-squared statistics that account for weighted data (design-based f statistic) **p-values for dichotomous and categorical variables are corrected, weighted, pearson chi-squared statistics that account for weighted data (design-based f statistic) **p-values for dichotomous and categorical variables are corrected, weighted, pearson chi-squared statistics that account for weighted data (design-based f statistic) **p-values for dichotomous and categorical variables are corrected, weighted, pearson chi-squared statistics that account for weighted data (design-based f statistic) **p-values for dichotomous and categorical variables are corrected, weighted, pearson chi-squared statistics that account for weighted data (design-based f statistic) **p-values for dichotomous and categorical variables are corrected, weighted, pearson chi-squared statistics that account for weighted data (design-based f statistic) **p-values for dichotomous and categorical variables are corrected, weighted, pearson chi-squared statistics that account for weighted data (design-based f statistic) **p-values for dichotomous and categorical variables are corrected, weighted, pearson chi-squared statistics that account for weighted data (design-based f statistic) **p-values for dichotomous and categorical variables are corrected, weighted, pearson chi-squared statistics that account for weighted data (design-based f statistic)
*p-values for continuous variables obtained from adjusted wald tests *p-values for continuous variables obtained from adjusted wald tests *p-values for continuous variables obtained from adjusted wald tests *p-values for continuous variables obtained from adjusted wald tests *p-values for continuous variables obtained from adjusted wald tests *p-values for continuous variables obtained from adjusted wald tests *p-values for continuous variables obtained from adjusted wald tests *p-values for continuous variables obtained from adjusted wald tests *p-values for continuous variables obtained from adjusted wald tests