Table 2 Answer frequency and drop outs over time (N = 79)
Time of measurements | Answers | Deceased | Missing | Answers possible* | ||
|---|---|---|---|---|---|---|
| Â | n | % | n | n | n | % |
Pre-operative | 71 | 89.9 | 0 | 8 | Â | Â |
2 months | 64 | 81.0 | 0 | 15 | Â | Â |
4 months | 50 | 63.3 | 3 | 26 | 76 | 65.8 |
6 months | 55 | 69.6 | 6 | 18 | 73 | 75.3 |
9 months | 52 | 65.8 | 10 | 17 | 69 | 75.4 |
12 months | 32 | 40.5 | 24 | 23 | 56 | 57.1 |