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Table 6 Table of feasibility outcomes including target and actual outcomes

From: A 12-month randomised pilot trial of the Alzheimer’s and music therapy study: a feasibility assessment of music therapy and physical activity in patients with mild-to-moderate Alzheimer’s disease

Feasibility Outcome

Target outcome

Actual outcome

1. Recruitment rate

 > 11.25 subjects/month

1.5 subjects/month

2. Recruitment total

135 subjects

18 subject

3. Recruitment costs

100 EUR per subject

500 EUR per subject

4. Retention rates

 > 75%

50%

5. Attrition rates

 < 25%

50%

6. Different attrition rates per study arm:

 I. MT

 < 25%

2/6 (33.33%)

 II. PA

 < 25%

5/6 (83.33%)

 III. CON

 < 25%

2/6 (33.33%)

7. Adherence to protocol

80% attendance

50%

8. Adequate equipment

Room, Location, and Equipment was adequate

Room, Location, and Equipment was adequate

9. Data completeness

 > 90% Completeness

95.56%

10. Acceptability of intervention by staff

No issues raised by staff

Many issues raised by staff

11. Study fidelity adherence by staff and researchers

No study fidelity issues

Presence of study fidelity issues

  1. Key feasibility assessments of target and actual outcomes reached