Univariate ORs of variables for predicting inhospital mortality
| Variable | OR | 95% CI | p Value |
| Age (years) | 1.048 | 0.969 to 1.133 | 0.244 |
| Haemoglobin (g/L) | 0.997 | 0.977 to 1.017 | 0.763 |
| MCV (fL) | 0.962 | 0.919 to 1.006 | 0.098 |
| HCT (%) | 0.997 | 0.934 to 1.064 | 0.929 |
| APACHE II score (points) | 1.192 | 1.124 to 1.265 | <0.001 |
| AKI (%) | 16.61 | 6.580 to 42.014 | <0.001 |
| TLSH (days) | 0.803 | 0.691 to 0.933 | 0.004 |
| Gestational age (weeks) | 1.023 | 0.920 to 1.138 | 0.677 |
| RDW (%) | 1.309 | 1.150 to 1.489 | <0.001 |
AKI, acute kidney injury; APACHE II score, Acute Physiology and Chronic Health Evaluation II score; HCT, haematocrit; MCV, mean corpuscular volume; RDW, red cell distribution width; TLSH, total length of stay in hospital.