Table 1 Percentage missing data in the FREE trial overall
Follow-up (time after randomisation) | |||||||
|---|---|---|---|---|---|---|---|
Measure | Baseline | 1 month | 3 months | 6 months | 12 months | 24 months | Mean |
SF-36 PCS | 2.7 | 13.0 | 19.7 | 21.0 | 25.0 | 27.3 | 18.1 |
EQ-5D | 2.3 | 13.0 | 19.3 | 20.7 | 24.7 | 25.3 | 17.6 |
RMD score | 1.7 | 15.7 | 25.0 | 26.7 | 32.0 | 36.0 | 22.8 |
Back pain | 0.7 | 12.0 | 18.0 | 19.7 | 24.7 | 24.3 | 16.6 |
Restricted activity | 4.0 | 18.0 | 22.3 | 22.0 | 26.0 | 28.3 | 20.1 |
Days in bed | 3.3 | 15.3 | 20.7 | 20.7 | 24.7 | 27.0 | 18.6 |