Table 2.
Associations of pre-operative serum albumin levels with 30-day post-operative outcomes
| Serum albumin levels (g/dL) |
Per 1 unit decrease |
||||
|---|---|---|---|---|---|
| <3.5 |
3.5–5.5 |
||||
| Post-op outcomes | NO. of cases | OR (95% CI) | NO. of cases | OR (95% CI) | OR (95% CI) |
| Death | 73 | 1.42 (1.10, 1.82) | 557 | 1.0 (Reference) | 1.37 (1.13, 1.67) |
| Pulmonary embolism | 68 | 1.26 (0.98, 1.63) | 668 | 1.0 (Reference) | 1.42 (1.18, 1.71) |
| Urinary tract infection | 185 | 1.15 (0.99, 1.34) | 2111 | 1.0 (Reference) | 1.11 (0.99, 1.23) |
| Acute renal failure | 68 | 1.72 (1.32, 2.42) | 402 | 1.0 (Reference) | 1.79 (1.45, 2.21) |
| Vein thrombosis requiring therapy | 129 | 1.87 (1.55, 2.26) | 1028 | 1.0 (Reference) | 1.82 (1.58, 2.10) |
| Intra- or post-op cardiac arrest requiring CPR | 23 | 1.03 (0.67, 1.60) | 243 | 1.0 (Reference) | 1.33 (0.98, 1.79) |
| Pneumonia | 155 | 1.56 (1.32, 1.85) | 1252 | 1.0 (Reference) | 1.49 (1.31, 1.69) |
| Intervention therapeutic endoscopy | 238 | 1.35 (1.18, 1.55) | 2315 | 1.0 (Reference) | 1.33 (1.20, 1.47) |
| An operative drain still present 30 days post-op | 139 | 1.29 (1.08, 1.54) | 1449 | 1.0 (Reference) | 1.31 (1.16, 1.49) |
| Failure to be discharged by day 30 | 44 | 2.32 (1.66, 3.25) | 209 | 1.0 (Reference) | 2.76 (2.15, 3.54) |
| Unplanned ICU admission | 460 | 1.27 (1.15, 1.40) | 4352 | 1.0 (Reference) | 1.27 (1.19, 1.37) |
| Reoperation within 30 days | 675 | 1.14 (1.05, 1.24) | 8160 | 1.0 (Reference) | 1.12 (1.06, 1.18) |
Data are shown as odds ratios and 95% confidence intervals.
All models were adjusted for age, sex, race/ethnicity, smoking status, BMI, diabetes, hypertension, hyperlipidemia, obstructive sleep apnea, COPD, percutaneous coronary intervention, previous cardiac surgery, renal insufficiency, requiring or on dialysis, and if it was a revisional or conversional procedure.