Follow up | N° of patients |  < MCID |  > MCID | P value |
---|---|---|---|---|
3 months | 67 | 21 (15, 29) | 52 (40, 67) |  < 0.001 |
6 months | 67 | 21 (15, 24.75) | 52 (40, 67) |  < 0.001 |
12Â months | 54 | 19.5 (11.2, 37.8) | 51.5 (40, 68) | 0.002 |
24Â months | 36 | 15 (10.5, 53.2) | 52 (42, 79.2) | 0.034 |
36Â months | 25 | 26 (9, 66) | 52 (41.5, 72.5) | 0.134 |