Table 2.
Unadjusted perioperative characteristics by preoperative serum albumin group
| Perioperative feature | Preoperative Serum Albumin | P | |||
|---|---|---|---|---|---|
| ≤2 g/dL N = 20 |
2–3 g/dL N = 204 |
3–4 g/dL N = 1,361 |
>4 g/dL N = 1,209 |
||
| Age, years | 61.7 (10.6) | 63.4 (10.9) | 65.2 (10.9) | 62.7 (10.4) | <0.001 |
| Weight, kg | 79.7 (15.8) | 83.3 (19.9) | 85.5 (18.8) | 88.3 (18.2) | <0.001 |
| Gender, Female | 2 (10.0) | 71 (34.8) | 409 (30.1) | 264 (21.8) | <0.001 |
| Race, Caucasian | 18 (90.0) | 179 (87.7) | 1,248 (91.7) | 1,099 (90.9) | 0.32 |
| Risk Factor, | |||||
| Stroke | 3 (15.0) | 17 (8.3) | 107 (7.9) | 66 (5.5) | 0.04 |
| Diabetes | 4 (20.0) | 93 (45.6) | 522 (38.4) | 441 (36.5) | 0.03 |
| Renal Failure | 2 (10.0) | 39 (19.1) | 151 (11.1) | 79 (6.5) | <0.001 |
| Dialysis | 1 (5.0) | 7 (3.4) | 42 (3.1) | 26 (2.2) | 0.40 |
| Previous CABG | 1 (5.0) | 7 (3.4) | 51 (3.7) | 36 (3.0) | 0.73 |
| NYHA, Class III | 2 (10.0) | 61 (29.9) | 343 (25.2) | 326 (27.0) | 0.16 |
| Class IV | 4 (20.0) | 55 (27.0) | 370 (27.2) | 283 (23.4) | 0.15 |
| IABP use | 4 (20.0) | 44 (21.6) | 192 (14.1) | 123 (10.2) | <0.001 |
| Left Ventricular EF, % | 50.4 (12.2) | 46.4 (12.0) | 48.9 (12.6) | 51.9 (12.1) | <0.001 |
| Cross Clamp time, minutes | 70.9 (33.3) | 63.7 (33.1) | 64.2 (36.6) | 64.3 (37.5) | 0.87 |
Data shown as n (%) or mean (SD), as appropriate
CABG, Coronary Artery Bypass Graft
MI, Myocardiac Infarction
LAD, Left anterior descending artery
NYHA, New York Heart Association heart failure functional classification
IABP, Intra-aortic baloon pump
EF, Ejection Fraction