Table 3 Summary of the limited efficacy outcome measures

MOXFQ pain

small effect size (d ≥ 0.20)

0.55

Yes

MOXFQ walking/standing

small effect size (d ≥ 0.20)

0.14

No

MOXFQ social

small effect size (d ≥ 0.20)

0.04

No

MOXFQ total

small effect size (d ≥ 0.20)

0.25

Yes

Muscle strength

small effect size (d ≥ 0.20)

0.14–0.71

Partly^a

SF12 physical

small effect size (d ≥ 0.20)

0.14

No

SF12 mental

small effect size (d ≥ 0.20)

0.28

Yes

Use of cointerventions

< 20% in intervention group

14%

Yes

Perception of overall treatment effect

≥ 25% difference between groups in proportion reporting at least “somewhat better”

5%

No