Table 2 Threshold values of the MDC₉₅ and clinically important difference (CID) of the SS-QOL subscales

0.5 SD (% scale width)

1 SEM (% scale width)

Mobility

6-30

0.84 (0.63, 0.93)

5.9 (24.6%)

2.4 (10%)

1.7 (7.1%)

1.5 (6.3%)

Self-care

5-25

0.88 (0.73, 0.95)

4.0(20.0%)

1.9 (9.5%)

1.2 (6.0%)

1.3 (6.5%)

UE function

5-25

0.88 (0.72, 0.95)

5.3(26.5%)

1.8 (9.0%)

1.3 (6.5%)

1.2 (6.0%)