Fig. 1.
Fig. 2.
Mortality before surgery
| Total present | No. of death events | Percent | p-value | |||
|---|---|---|---|---|---|---|
| Log rank (Mantel–Cox) | Breslow (generalized Wilcoxon) | Tarone–Ware | ||||
| Weekend | 20 | 3 | 15.00 | 0.272 | 0.196 | 0.234 |
| Weekday | 104 | 9 | 8.65 | |||
In-hospital mortality
| Total present | No. of death events | Percent | Mean | p-value | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Estimate | Std. error | 95% confidence interval | Log rank (Mantel–Cox) | Breslow (generalized Wilcoxon) | Tarone–Ware | |||||
| Lower bound | Upper bound | |||||||||
| Weekend | 20 | 5 | 25.00 | 18.138 | 5.350 | 7.653 | 28.623 | 0.260 | 0.209 | 0.232 |
| Weekday | 104 | 52 | 50.00 | 15.806 | 1.599 | 12.671 | 18.941 | |||
General characteristics measured before and after treatment (N = 124 patients)
| Weekday | Weekend | Total | p-value | |||||
|---|---|---|---|---|---|---|---|---|
| Frequency (n) | Percent (%) | Frequency (n) | Percent (%) | Frequency (n) | Percent (%) | |||
| Presentation | 104 | 83.87 | 20 | 16.13 | 124 | 100.00 | < 0.01 | |
| Gender | Men | 71 | 84.52 | 13 | 15.48 | 84 | 67.74 | < 0.01 |
| Women | 33 | 82.50 | 7 | 17.50 | 40 | 32.26 | < 0.01 | |
| Before Operation | ||||||||
| Hemopericardium | 34 | 85.00 | 6 | 15.00 | 40 | 32.26 | 0.09 | |
| Cardiac tamponade | 3 | 72.22 | 5 | 27.78 | 18 | 14.51 | < 0.01 | |
| Cardiogenic shock | 11 | 84.61 | 2 | 15.38 | 13 | 10.48 | 0.07 | |
| Cardiac arrest | 0 | - | 2 | 10.00 | 2 | 1.61 | 0.02 | |
| Mortality before surgery | 9 | 75.00 | 3 | 25.00 | 12 | 9.68 | < 0.01 | |
| Anticoagulation therapy | 3 | 2.42 | 0 | - | 3 | 2.42 | < 0.01 | |
| Antiplatelet therapy | 17 | 89.47 | 2 | 10.53 | 19 | 15.32 | 0.07 | |
| After Operation | ||||||||
| Ascending aorta replacement | 63 | 84.00 | 12 | 16.00 | 75 | 60.48 | < 0.01 | |
| Hemiarch replacement | 10 | 90.91 | 1 | 9.09 | 11 | 8.87 | < 0.01 | |
| Aortic valve replacement | 21 | 87.50 | 3 | 12.50 | 24 | 19.35 | 0.09 | |
| RCA reimplantation | 7 | 77.78 | 2 | 22.22 | 9 | 7.26 | < 0.01 | |
| LCA reimplantation | 6 | 75.00 | 2 | 25.00 | 8 | 6.45 | < 0.01 | |
| LAD bypass | 4 | 100.00 | 0 | - | 4 | 3.23 | 0.06 | |
| RCA bypass | 6 | 85.71 | 1 | 14.29 | 7 | 5.65 | 0.07 | |
| Bentall procedure | 5 | 71.43 | 2 | 28.57 | 7 | 5.65 | < 0.01 | |
Admission timing laboratory data of patients with Stanford A dissection
| Mean | Minimum | Maximum | Std. deviation | |
|---|---|---|---|---|
| Age | 62.53 | 17 | 86 | 12.866 |
| LVEF (%) | 51.05 | 0 | 60 | 10.434 |
| Creatinine level (mg/dL) | 1.25 | 0.59 | 6.69 | 0.789 |
| eGFR (mL/min/1.73 m2) | 71.30 | 7.9 | 216.6 | 23.418 |
| GOT (U/L) | 79.82 | 10.0 | 2638.0 | 289.399 |
| GPT (U/L) | 71.13 | 6.0 | 2067.0 | 240.204 |
| Hemoglobin (g/dL) | 12.50 | 5.4 | 26.1 | 2.601 |
| Thrombocytes (103/μL) | 224.92 | 20.7 | 996.0 | 122.128 |
| Leukocytes (103/μL) | 11.33 | 2.0 | 24.4 | 4.838 |
Discharge mortality
| Total present | No. of death events | Percent | Mean | p-value | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Estimate | Std. error | 95% confidence interval | Log rank (Mantel–Cox) | Breslow (generalized Wilcoxon) | Tarone–Ware | |||||
| Lower bound | Upper bound | |||||||||
| Weekend | 20 | 1 | 5.00 | 34.000 | 0.001 | 34.000 | 34.000 | 0.729 | 0.342 | 0.369 |
| Weekday | 104 | 10 | 9.61 | 29.456 | 1.912 | 25.710 | 33.203 | |||