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Combined Risk Prediction Score
| Variable | Descriptor | Point score |
|---|---|---|
| Length of stay | ≥ 15 days | 1 |
| LDH | ≥ 750 U/L | 1 |
| Level 2 or 3 care admission | Yes | 1 |
| Current or ex-smoker | Yes | 1 |
| Obesity (BMI > 30 kg/m2) | Yes | 1 |
| Total score | 5 |
0–5 point scale with 1 point each for length of stay ≥ 15 days, LDH ≥ 750 U/L, positive current or ex-smoking status, admission to a level 2 (high dependency) or 3 (intensive care) facility and, positive past medical history of obesity [Body mass index (BMI) > 30 kg/m2]
