Table 4.
Demographics and comorbidities
| Variable | Non-AKI (n=44) | AKI (n=13) | Total (n=57) | p-value |
|---|---|---|---|---|
| Age (yr) | 60.3±17.7 | 64.4±17.5 | 0.469 | |
| Sex (female) | 7 (15.9) | 4 (30.8) | 11 (19.3) | 0.233 |
| HTN | 29 (65.9) | 10 (76.9) | 39 (68.4) | 0.453 |
| HTN grade 1 (SBP 140–159 mmHg) | 19 (43.2) | 4 (30.8) | 23 (40.4) | 0.423 |
| HTN grade 2 (SBP 160–179 mmHg) | 3 (6.8) | 2 (15.4) | 5 (8.8) | 0.337 |
| HTN grade 3 (SBP >180 mmHg) | 1 (3.4) | 0 | 1 (1.8) | 0.583 |
| Diabetes mellitus | 8 (18.2) | 2 (15.4) | 10 (17.5) | 0.816 |
| Hyperlipidemia | 9 (20.5) | 2 (15.4) | 11 (19.4) | 0.684 |
| Current smoker | 19 (43.2) | 5 (38.5) | 24 (42.1) | 0.762 |
| Coronary artery disease | 4 (9.1) | 1 (7.7) | 5 (8.8) | 0.876 |
| Previous percutaneous coronary intervention | 3 (6.8) | 1 (7.7) | 4 (7.0) | 0.914 |
| Previous myocardial infarction | 0 | 1 (7.7) | 1 (1.8) | 0.063 |
| Previous history of heart operation | 6 (13.6) | 0 | 6 (10.5) | 0.159 |
| Previous stroke | 4 (9.1) | 4 (30.8) | 8 (14.0) | 0.048 |
| Chronic obstructive pulmonary disease | 6 (13.6) | 0 | 6 (10.5) | 0.159 |
| Preoperative chronic kidney disease (eGFR≤60) | 11 (25.0) | 4 (30.8) | 15 (26.3) | 0.746 |
| Preoperative eGFR ≥90 | 19 (43.1) | 4 (30.8) | 23 (40.4) | 0.423 |
| Preoperative eGFR 60–89 | 15 (34.1) | 5 (38.5) | 20 (35.1) | 0.772 |
| Preoperative eGFR 30–59 | 9 (20.5) | 2 (15.4) | 11 (19.3) | 0.684 |
| Preoperative eGFR ≤29 | 1 (2.3) | 2 (15.4) | 3 (5.3) | 0.063 |
| Acute dissection | 23 (52.3) | 4 (30.8) | 27 (47.4) | 0.172 |
| Complicated dissection | 11 (25.0) | 4 (30.8) | 15 (26.3) | 0.678 |
| Acute phase | 27 (61.4) | 10 (76.9) | 37 (64.9) | 0.302 |
| Chronic phase | 17 (38.6) | 3 (23.1) | 20 (35.1) | 0.302 |
Values are presented as mean±standard deviation or number (%).
AKI, acute kidney injury; HTN, hypertension; SBP, systolic blood pressure; eGFR, estimated glomerular filtration rate.