Table 1 Preoperative characteristics of the study population.
From: Utility of heparin-binding protein following cardiothoracic surgery using cardiopulmonary bypass
Variable | All (n = 1475) | HBP > 41 (n = 489) | HBP ≤ 41 (n = 986) | p | Missing |
|---|---|---|---|---|---|
Age | 68 (60–75) | 69 (59–76) | 68 (60–74) | 0.170* | 0 |
Female sex | 362 (24.5) | 131 (26.8) | 231 (23.4) | 0.158 | 0 |
BMI | 27.40 (± 4.63) | 27.17 (± 4.81) | 27.51 (± 4.54) | 0.187° | 4 |
History of smoking | 503 (40.1) | 146 (35.7) | 357 (42.2) | 0.028 | 220 |
Hypertension | 879 (59.8) | 263 (53.9) | 616 (62.7) | 0.001 | 5 |
Previous cardiac surgery | 132 (8.9) | 72 (14.7) | 60 (6.1) | < 0.001 | 0 |
Previous stroke | 102 (6.9) | 36 (7.4) | 66 (6.7) | 0.634 | 0 |
Diabetes mellitus | 369 (25.0) | 104 (21.3) | 265 (26.9) | 0.019 | 0 |
COPD | 127 (8.6) | 49 (10.0) | 78 (7.9) | 0.174 | 0 |
Peripheral vascular disease | 83 (5.6) | 25 (5.1) | 58 (5.9) | 0.546 | 0 |
Left ventricular ejection fraction (%) | < 0.001 | ||||
> 50 | 1005 (68.1) | 300 (61.3) | 705 (71.5) | 0 | |
30–50 | 341 (23.1) | 133 (27.2) | 208 (21.1) | ||
< 30 | 129 (8.7) | 56 (11.5) | 73 (7.4) | ||
NYHA class | < 0.001 | ||||
I | 416 (28.2) | 109 (22.3) | 307 (31.1) | 0 | |
II | 599 (40.6) | 183 (37.4) | 416 (42.2) | ||
III | 350 (23.7) | 134 (27.4) | 216 (21.9) | ||
IV | 110 (7.5) | 63 (12.9) | 47 (4.8) | ||
PAP > 60 mmHg | 64 (4.3) | 39 (8.0) | 25 (2.5) | < 0.001 | 0 |
Preoperative creatinine concentration (µmol/L) | 83 (72–97) | 86 (73–107) | 81 (71–93) | < 0.001* | 0 |
Endocarditis | 63 (4.3) | 35 (7.2) | 28 (2.8) | < 0.001 | 0 |
Acute surgery | 124 (8.4) | 72 (14.7) | 52 (5.3) | < 0.001 | 0 |
Preoperative critical state | 70 (4.7) | 41 (8.4) | 29 (2.9) | < 0.001 | 0 |
