Table 1.
Patient demographics and characteristics.
| All Patients | Albumin: ≥3.5 | Albumin: <3.5 | P | |
|---|---|---|---|---|
| Total | 916 | 626 | 290 | |
| Demographics | ||||
| Age: years, mean (SD) | 65.9 (13.4) | 65 (13.5) | 68 (12.9) | 0.002 |
| Gender: n (%) | 0.328 | |||
| Female | 653 (71.3) | 453 (72.4) | 200 (69) | |
| Male | 263 (28.7) | 173 (27.6) | 90 (31) | |
| Race: n (%) | 0.863 | |||
| White | 793 (86.6) | 541 (86.4) | 252 (86.9) | |
| Nonwhite | 56 (6.1) | 40 (6.4) | 16 (5.5) | |
| Unknown | 67 (7.3) | 45 (7.2) | 22 (7.6) | |
| Comorbidities | ||||
| BMI: kg/m^2, mean (SD) | 29.1 (8.2) | 29.6 (7.8) | 28.0 (8.8) | 0.005 |
| Diabetes: n (%) | 0.068 | |||
| Non-insulin Dependent | 118 (12.9) | 87 (13.9) | 31 (10.7) | |
| Insulin Dependent | 96 (10.5) | 57 (9.1) | 39 (13.4) | |
| Dyspnea: n (%) | <0.001 | |||
| At rest | 6 (0.7) | 3 (0.5) | 3 (1) | |
| Moderate Exertion | 63 (6.9) | 36 (5.8) | 27 (9.3) | |
| COPD: n (%) | 87 (9.5) | 38 (6.1) | 49 (16.9) | 0.007 |
| Smoking: n (%) | 207 (22.6) | 125 (20) | 82 (28.3) | 0.556 |
| CHF: n (%) | 17 (1.9) | 10 (1.6) | 7 (2.4) | <0.001 |
| Dialysis: n (%) | 10 (1.1) | 1 (0.2) | 9 (3.1) | 0.005 |
| Renal Failure: n (%) | 7 (0.8) | 1 (0.2) | 6 (2.1) | 0.608 |
| Hypertension: n (%) | 559 (61) | 378 (60.4) | 181 (62.4) | 0.005 |
| Bleeding disorder: n (%) | 88 (9.6) | 48 (7.7) | 40 (13.8) | 0.073 |
| Steroids: n (%) | 58 (6.3) | 33 (5.3) | 25 (8.6) | <0.001 |
| ASA Class: n (%) | <0.001 | |||
| 1 | 24 (2.6) | 22 (3.5) | 2 (0.7) | |
| 2 | 286 (31.3) | 232 (37.1) | 54 (18.6) | |
| 3 | 509 (55.6) | 326 (52.2) | 183 (63.1) | |
| 4 | 96 (10.5) | 45 (7.2) | 51 (17.6) | |
| Clinical Characteristics | ||||
| Serum Albumin: mean (SD) | 3.70 (0.6) | 4.0 (0.4) | 3.0 (0.4) | <0.001 |
| Preop. Blood Transfusion: n (%) | 39 (4.3) | 12 (1.9) | 27 (9.3) | 0.02 |
| Anemia: n (%) | 538 (58.7) | 313 (50) | 225 (77.6) | <0.001 |
* BMI: Body Mass Index; COPD: Chronic Obstructive Pulmonary Disease; CHF: Congestive Heart Failure: ASA: American Society of Anesthesiology; Preop Blood Transfusion - within 48 h preoperatively.