TABLE 3.

Summary of the limited efficacy testing outcome measures.

Efficacy measure	Pre‐determined threshold	Result	Achieved?
Pain at its worst (NRS‐11)	Small effect size (d ≥0.20)	0.94	Yes
VISA‐A	Small effect size (d ≥0.20)	0.87	Yes
LEFS	Small effect size (d ≥0.20)	0.79	Yes
QoL	Small effect size (d ≥0.20)	0.61	Yes
IPAQ‐SF	Small effect size (d ≥0.20)	0.13–0.80	Partially a
Use of co‐interventions	<20%	23%	Partially b
GRoC	≥25% difference between groups in proportion reporting at least “somewhat better”	31%	Yes

Abbreviations: GRoC, Global Rating of ChangeNRS; IPAQ‐SF, International Physical Activity Questionnaire‐Short Form; LEFS, Lower Extremity Functional Scale; Numerical Rating Scale; QoL, Quality of Life; VISA‐A, Victorian Institute of Sport Assessment—Achilles.

^a Minutes doing moderate exercise was Cohen's d 0.13 and the rest was ≥0.20.

^b Use of co‐interventions was 15% in the heel lift group.