Table 2 Thresholds for feasibility outcomes

Recruitment & eligibility

Conversion to consent (%)

> 90

< 90

Adherence & acceptability

Adherence rate to treatment (%)

> 90

< 90

Adherence to appointment (%)

> 90

< 90

Attrition rate (%)

< 10

> 10

Outcome measures

Missing data (%)

<5

>5

Treatment efficacy

Average NRS

MD > 1.5 [67]

MD < 1.5

Worst NRS

MD > 1.5 [67]

MD < 1.5

AKPS

MD > 8 [58]

MD < 8