Table 3.
Logistic regression analysis
| Variables | Odds ratio | 95% confidence interval | P | |
|---|---|---|---|---|
|
| ||||
| Lower limit | Upper limit | |||
| Age | 1.00 | 0.97 | 1.04 | 0.75 |
| Male Gender | 0.80 | 0.32 | 2.05 | 0.65 |
| BMI1 (Kg/m2) | 0.97 | 0.87 | 1.09 | 0.63 |
| Malignancy (reference non-malignancy) | 1.24 | 0.46 | 3.32 | 0.08 |
| Difficult airway (absent as reference) | 1.22 | 0.32 | 2.23 | 0.74 |
| Type of surgery (elective) | 2.92 | 0.44 | 19.51 | 0.27 |
| IV fluid | 1.00 | 0.99 | 1.00 | 0.86 |
| Blood loss | 1.00 | 1.00 | 1.00 | 0.18 |
| Vasopressor (absent as reference) | 1.51 | 0.60 | 3.77 | 0.38 |
| Duration of surgery | 1.01 | 1.00 | 1.01 | 0.001* |
| CRP2 (mg/L) | 0.98 | 0.92 | 1.03 | 0.41 |
| Albumin (g/dl) | 0.73 | 0.43 | 1.25 | 0.25 |
| CAR3 | 1.06 | 0.98 | 1.16 | 0.16 |
*Refers to P found statistically significant (P≤0.05). BMI – Body mass index, CRP – C-reactive protein, CAR – CRP–albumin ratio