Reasons for non-participation in the long-term follow-up (LTF) study
| Hospital (n=100) | Home (n=96) | |
| Patients who did not participate in LTF | 26 (26%) | 26 (27.1%) |
| Death | 7 | 10 |
| Alzheimer's disease | 7 | 6 |
| Chronic pain | 1 | |
| Chronic heart failure | 1 | |
| Stroke | 1 | |
| Away for summer | 1 | 1 |
| Refused | 1 | 3 |
| Work | 2 | 1 |
| Loss to follow-up | 5 | 2 |
| Moved | 2 | 1 |