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. Author manuscript; available in PMC: 2017 Jul 17.
Published in final edited form as: Arch Phys Med Rehabil. 2016 Apr 8;97(7):1154–1162. doi: 10.1016/j.apmr.2016.03.007

Table 3.

Changes in outcome measures from baseline means by sex (post-operative time point-baseline) (SEE). Negative values reflect a deficit from baseline; positive values reflect an improvement from baseline. Repeated measures maximum likelihood model adjusting for:

Change from pre-surgery to 1 month after TKA Change from pre-surgery to 3 months after TKA Change from pre-surgery 6 months after TKA
Men Women Men Women Men Women
Quadriceps Strength1 (N-m/kg) −0.65 (0.03)* −0.35 (0.03)* −0.13 (0.04)* 0.03 (0.03) 0.06 (0.04) 0.16 (0.03)*
Hamstrings Strength1 (N-m/kg) −0.28 (0.02)* −0.18 (0.02)* −0.03 (0.02) 0.00 (0.02) 0.05 (0.02) 0.03 (0.02)
Quadriceps Activation1 (%) −1.30 (1.54) 2.12 (1.42) 8.39 (1.72)* 11.08 (1.59)* 8.08 (1.77)* 12.02 (1.64)*
TUG2 (s) −0.97 (0.27)* −2.12 (0.23)* 0.89 (0.26)* 0.97 (0.24)* 0.00 (0.27)* 1.33 (0.25)*
SCT2 (s) −6.03 (1.00)* −9.62 (0.84)* 2.83 (0.96)* 4.42 (0.86)* 2.99 (0.97)* 5.32 (0.89)*
6MWT2 (m) −32.90 (7.36)* −61.20 (6.06)* 34.82 (7.21)* 21.67 (6.55)* 45.44 (7.49)* 37.50 (6.90)*
1

Baseline of respective measure, BMI, age, Sex*Month, and Study*Group

2

Baseline of respective measure, BMI, age, Sex*Month, Study*Group, baseline quadriceps, and baseline hamstrings

*

Significantly different than baseline p <0.05.

Mean change from baseline in females is significantly different from male change from baseline: p <0.05.