Table 3 Predictive power of selective variables including BIA parameters for postoperative 30-day morbidity
|  | Major postoperative complications (N = 11/99) | Re-admission (N = 16/99) | ||||||
|---|---|---|---|---|---|---|---|---|
Univariate | Multivariate | Univariate | Multivariate | |||||
OR (95% CI) | p-value | OR (95% CI) | p-value | OR (95% CI) | p-value | OR (95% CI) | p-value | |
Age | 1.023 (0.969–1.081) | 0.413 |  |  | 0.995 (0.953–1.039) | 0.814 |  |  |
Body mass index | 0.989 (0.836–1.169) | 0.892 |  |  | 1.015 (0.880–1.171) | 0.838 |  |  |
Hypertension | 3.480 (0.949–12.764) | 0.060 | 4.080 (0.907–18.341) | 0.067 | 4.929 (1.583–15.349) | 0.006 | 5.772 (1.594–20.903) | 0.008 |
Diabetes mellitus | 1.000 (0.113–8.849) | 1.000 |  |  | 1.551 (0.291–8.253) | 0.607 |  |  |
ECOG PS | 1.644 (0.810–3.336) | 0.169 | 1.761 (0.807–3.840) | 0.155 | 1.287 (0.702–2.362) | 0.415 |  |  |
Preoperative albumin | 0.584 (0.175–1.950) | 0.382 |  |  | 1.299 (0.444–3.801) | 0.633 |  |  |
BIA parameters | ||||||||
 TBW | 1.043 (0.949–1.146) | 0.379 |  |  | 1.021 (0.943–1.107) | 0.606 |  |  |
 ICW | 1.071 (0.925–1.240) | 0.359 |  |  | 1.034 (0.912–1.171) | 0.603 |  |  |
 ECW | 1.112 (0.857–1.442) | 0.423 |  |  | 1.058 (0.848–1.320) | 0.617 |  |  |
 Protein | 1.179 (0.840–1.657) | 0.342 |  |  | 1.079 (0.809–1.440) | 0.605 |  |  |
 Mineral | 2.011 (0.761–5.315) | 0.159 | 0.637 (0.147–2.758) | 0.547 | 0.596 (0.685–3.719) | 0.279 |  |  |
 Fat | 1.065 (0.981–1.157) | 0.134 | 1.120 (1.006–1.248) | 0.039 | 1.099 (1.020–1.185) | 0.013 | 1.123 (1.024–1.230) | 0.013 |
 Skeletal muscle mass | 1.055 (0.942–1.180) | 0.356 |  |  | 1.026 (0.932–1.129) | 0.603 |  |  |
 TBW/FFM | 0.168 (0.028–1.001) | 0.050 | 0.047 (0.003–0.749) | 0.031 | 0.339 (0.073–1.579) | 0.168 | 0.094 (0.014–0.657) | 0.017 |
 PhA | 1.903 (0.892–4.058) | 0.096 | 1.718 (0.611–4.833) | 0.305 | 1.200 (0.671–2.147) | 0.538 |  |  |
Intraoperative PCI > 20 | 1.478 (0.417–5.243) | 0.545 |  |  | 1.893 (0.642–5.583) | 0.248 |  |  |