Table 1
Clinical characteristics/Baseline clinical characteristics of the study population.
| Index | Total (n = 577) | Male (n = 447) | Female (n = 130) |
|---|---|---|---|
| Demographics | |||
| Age of surgery (years) | 66.9 ± 11.6 | 66.1 ± 11.8 | 69.5 ± 10.6 |
| Height (cm) | 163.0 ± 9.2 | 167.0 ± 7.31 | 153.0 ± 6.42 |
| Weight (kg) | 63.6 ± 12.3 | 66.2 ± 11.5 | 54.8 ± 10.5 |
| Body mass index (kg/m2) | 23.8 ± 3.8 | 23.8 ± 3.66 | 23.5 ± 4.16 |
| Body surface area (m2) | 1.68 ± 0.18 | 1.74 ± 0.16 | 1.50 ± 0.14 |
| Activated clotting time (s) | 117.0 ± 17.3 | 118.0 ± 17.0 | 114.0 ± 18.0 |
| LV fraction | |||
| Good | 202 (35.0%) | 140 (31.3%) | 62 (47.7%) |
| Med | 336 (58.2%) | 275 (61.5%) | 61 (46.9%) |
| Bad | 39 (6.8%) | 32 (7.2%) | 7 (5.4%) |
| Laboratory data | |||
| Creatinine (mg/dL) | 0.97 [0.47] | 1.01 [0.44] | 0.76 [0.39] |
| Glucose (mg/dL) | 109 [26] | 109 [26] | 110 [23] |
| Potassium (mEq/L) | 3.9 [0.5] | 3.9 [0.6] | 3.8 [0.6] |
| Lactic acid (mg/dL) | 5.5 [3.4] | 5.6 [3.3] | 5.0 [3.6] |
| Hb (g/dL, before CPB) | 12.6 [1.8] | 12.7 [1.85] | 11.9 [1.6] |
| Hb (g/dL, initiation of CPB) | 8.3 [1.4] | 8.5 [1.4] | 7.8 [1.1] |
| pH | 7.39 [0.07] | 7.39 [0.07] | 7.40 [0.07] |
| Po2 (mmHg) | 450 [219] | 456 [214] | 419 [263] |
| Pco2 (mmHg) | 44.2 [9.30] | 44.9 [9.40] | 42.3 [8.15] |
| HCO3− (mEq/L) | 26.8 [3.30] | 26.8 [3.30] | 26.8 [3.75] |
| Blood volume estimations | |||
| Ideal weight (kg) | 58.9 ± 6.6 | 61.1 ± 5.4 | 51.3 ± 4.3 |
| TBV (mL) | 5088 ± 981 | 5293 ± 923 | 4384 ± 839 |
| Priming volumes | |||
| Static circuit vol. (mL) | 1406 ± 125 | 1412 ± 128 | 1386 ± 112 |
| Medical history | Yes | No | Unknown |
| CHF | 32 (5.6%) | 535 (92.7%) | 10 (1.7%) |
| CLD | 6 (1.0%) | 560 (97.1%) | 11 (1.9%) |
| Smoking | 230 (39.9%) | 332 (57.5%) | 15 (2.6%) |
| Diabetes | 170 (29.5%) | 396 (68.6%) | 11 (1.9%) |
| Arrhythmia | 37 (6.4%) | 530 (91.9%) | 10 (1.7%) |
| Hypertension | 389 (67.4%) | 181 (31.4%) | 7 (1.2%) |
| Hyperlipidemia | 260 (45.1%) | 307 (53.2%) | 10 (1.7%) |
| Non-cardiac VD | 11 (1.9%) | 553 (95.8%) | 13 (2.3%) |
| Cerebral VD | 16 (2.8%) | 549 (95.1%) | 12 (2.1%) |
| Renal failure | 107 (18.6%) | 463 (80.2%) | 7 (1.2%) |
| Dialysis | 52 (9.0%) | 518 (89.8%) | 7 (1.2%) |
The data, except for laboratory data, are presented as mean ± S.D. or number (%). Laboratory data are presented as medians [IQR]. LV: left ventricular; CHF: chronic heart failure; CLD: chronic lung disease; VD: vascular disease; Hb: hemoglobin; TBV: total blood volume; CPB: cardiopulmonary bypass.
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