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. 2020 Mar 23;102(14):e81. doi: 10.2106/JBJS.19.01027

TABLE IV.

Post Hoc Power Analysis of the 4 Outcomes

Parameter and Loading Cycle Effect Size f* Power
Displacement
 35 to 350 N 0.16 8.2%
 75 to 750 N 0.48 41.0%
Stiffness
 35 to 350 N 1.41 99.9%
 75 to 750 N 1.00 97.4%
*

A value of 0.10 indicates small, 0.25 indicates medium, and 0.40 indicates large.

A value of ≥80% is desired.