Multivariable Cox analysis
| Variable | Total | Event% | Non-adjusted | Adjust I | Adjust II | |||
| HR 95% CI | P value | HR 95% CI | P value | HR 95% CI | P value | |||
| BMI | 3145 | 1334 (42.4) | 0.99 (0.98 to 0.99) | <0.001 | 0.99 (0.99 to 1) | 0.148 | 1 (0.99 to 1.01) | 0.772 |
| Normal weight | 1000 | 469 (46.9) | 1(Ref) | 1(Ref) | 1(Ref) | |||
| Overweight | 976 | 411 (42.1) | 0.88 (0.77 to 1) | 0.058 | 0.89 (0.78 to 1.02) | 0.09 | 0.94 (0.82 to 1.07) | 0.328 |
| Obesity | 1169 | 454 (38.8) | 0.79 (0.69 to 0.9) | <0.001 | 0.83 (0.72 to 0.94) | 0.004 | 0.93 (0.81 to 1.06) | 0.28 |
| Trend test | 3145 | 1334 (42.4) | 0.89 (0.83 to 0.95) | <0.001 | 0.91 (0.85 to 0.97) | 0.004 | 0.96 (0.9 to 1.03) | 0.275 |
Adjusted I for age, gender and SOFA.
Adjusted II for age, gender, SAPS, SOFA, elixscore, diabetes, hypertension, coronary artery disease, congestive heart failure, atrial fibrillation, malignancy cancer, stroke, chronic obstructive pulmonary disease, renal disease, liver disease, MAP, creatinine, haemoglobin.
BMI, body mass index; MAP, minimum arterial pressure; SAPS, Simplified Acute Physiology Score ; SOFA, Sequential Organ Failure Assessment.