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Table 2 Thresholds for feasibility outcomes

From: The effect of targeted treatment on people with patellofemoral pain: a pragmatic, randomised controlled feasibility study

Outcome Indicator Successful Unsuccessful - strategies required
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
  1. MD mean difference, NRS numerical rating scale