Table 2 Number (%) of EQ5D scores at each follow up point
From: Simple imputation methods were inadequate for missing not at random (MNAR) quality of life data
| Â | Month of assessment | ||||
|---|---|---|---|---|---|
| Â | 4 | 12 | 24 | 36 | 48 |
EQ5D score (no reminder) | 2908 (59) | 2648 (62) | 2511 (67) | 1670 (69) | 661 (69) |
EQ5D score (after reminder) | 999 (20) | 840 (20) | 693 (18) | 406 (17) | 162 (17) |
Not returned | 1042 (21) | 763 (18) | 561 (15) | 338 (14) | 138 (14) |
Total sent | 4949 (100) | 4251 (100) | 3765 (100) | 2414 (100) | 961 (100) |
Total available for follow up | 5292 | 5292 | 5292 | 3663 | 1629 |
Not Sent | 343 (6) | 1041 (20) | 1527 (29) | 1249 (34) | 668 (41) |
Proportion of responders who did so by reminder | 26% | 24% | 22% | 20% | 20% |