Potential candidate predictors from information obtained at baseline
| Variable | Description |
| Age | |
| Sex | |
| Comorbidities | Charlson Comorbidity Index (CCI) |
| Medication burden | Number of drugs before index hospitalisation |
| Body mass index (BMI) | Ratio of weight (kg)/square of height (m2) |
| Weight loss | Lost weight during last year (yes/no) |
| Smoking | Current smoker (yes/no) |
| Hospitalisation | Number of hospitalisations during last year |
| Activities of daily living (ADL) | Barthel Index: bathing, bladder control, bowel control, dressing, feeding, grooming, mobility, stairs, toilet use, transfer |
| Generic health status | EQ-5D score: mobility, self-care, usual activities, pain/discomfort and anxiety/depression |
| Falls | Number of falls during last year |
| Nursing | Nursing home residency (yes/no) |