Table 2.
Characteristics and clinical presentations of patients undergoing aTAAD surgical repair from January 2010 to December 2018 (n = 248)
| Early-career surgeons (n = 128) | Experienced/senior surgeons (n = 120) | P value | Effect size | |
|---|---|---|---|---|
| Age, y | 60.55 ± 12.69 | 61.13 ± 13.41 | .723 | −0.045 |
| Male sex | 84 (65.6) | 78 (65.0) | >.999 | 0.007 |
| Hematocrit, % | 38.33 ± 6.88 | 37.71 ± 6.30 | .459 | 0.094 |
| LVEF, % | 66.20 ± 8.29 | 66.03 ± 12.80 | .961 | 0.016 |
| Diabetes mellitus | 12 (9.4) | 12 (8.3) | .826 | 0.018 |
| Chronic kidney disease | 30 (26.1) | 28 (29.2) | .645 | −0.034 |
| Dialysis | 4 (4.3) | 3 (2.7) | .703 | 0.046 |
| Chronic lung disease | 6 (4.7) | 1 (0.8) | .121 | 0.116 |
| Peripheral arterial disease | 4 (3.1) | 4 (3.3) | >.999 | −0.006 |
| Redo operation | 3 (3.3) | 3 (2.7) | >.999 | 0.019 |
| Hemodynamic instability | 43 (33.6) | 40 (33.3) | >.999 | 0.003 |
| Cardiac tamponade | 29 (22.7) | 29 (24.2) | .881 | −0.018 |
| CPCR | 8 (6.3) | 13 (10.8) | .255 | −0.082 |
| Malperfusion syndrome | 40 (31.3) | 40 (33.3) | .786 | −0.022 |
| Myocardial infarction | 12 (9.4) | 6 (6.7) | .490 | 0.050 |
| Cerebral malperfusion | 19 (14.8) | 18 (15.0) | >.999 | −0.002 |
| Extremity malperfusion | 20 (15.6) | 20 (16.7) | .864 | −0.014 |
| Mesenteric malperfusion | 4 (3.1) | 6 (5.0) | .529 | −0.048 |
Data are presented as mean ± standard deviation or n (%). Effect sizes are presented as phi coefficient (φ) among categorical variables and Cohen's d based on differences between means of numerical variables. LVEF, Left ventricular ejection fraction; CPCR, cardiopulmonary cerebral resuscitation.