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Table 3 SF-36 results: paired comparisons of SF-36 scales – effects of time

From: Health-related quality of life and clinical outcomes following medial open wedge high tibial osteotomy: a prospective study

Pairwise Comparison (Bonferroni)

Time

Average distance

p

PF (Physical Functioning)

(1) vs. (2)

−8.049

0.002**

 

(1) vs. (3)

(1) vs. (4)

−14.749

−16.935

<0.001**

<0.001**

 

(2) vs. (3)

(2) vs. (4)

(3) vs. (4)

−6.700

−8.886

−2.186

<0.001**

<0.001**

0.262

RP (Role Physical)

(1) vs. (2)

−8.873

<0.001**

 

(1) vs. (3)

(1) vs. (4)

−12.107

−12.746

<0.001**

<0.001**

 

(2) vs. (3)

(2) vs. (4)

(3) vs. (4)

−3.234

−3.872

−0.639

0.272

0.068

n.s.

BP (Bodily Pain)

(1) vs. (2)

(1) vs. (3)

(1) vs. (4)

(2) vs. (3)

(2) vs. (4)

(3) vs. (4)

−7.174

−10.591

−11.618

−3.417

−4.444

−1.027

<0.001**

<0.001**

<0.001**

0.005*

0.002*

n.s.

GH (General Health)

(1) vs. (2)

(1) vs. (3)

(1) vs. (4)

(2) vs. (3)

(2) vs. (4)

(3) vs. (4)

−4.070

−5.453

−3.994

−1.383

0.076

1.459

0.001**

<0.001**

0.002*

0.915

n.s.

0.836

VT (Vitality)

(1) vs. (2)

(1) vs. (3)

(1) vs. (4)

(2) vs. (3)

(2) vs. (4)

(3) vs. (4)

−3.589

−5.560

−5.630

−1.971

−2.040

−0.070

0.013*

<0.001**

<0.001**

0.643

0.439

n.s.

SF (Social Functioning)

(1) vs. (2)

(1) vs. (3)

(1) vs. (4)

(2) vs. (3)

(2) vs. (4)

(3) vs. (4)

−3.602

−5.511

−5.262

−1.908

−1.660

0.248

0.120

0.004*

0.007*

n.s.

n.s.

n.s.

RE (Role Emotional)

(1) vs. (2)

(1) vs. (3)

(1) vs. (4)

(2) vs. (3)

(2) vs. (4)

(3) vs. (4)

−5.708

−8.608

−9.539

−2.900

−3.832

−0.932

0.054

0.002*

<0.001**

0.536

0.012*

n.s.

MH (Mental Health)

(1) vs. (2)

(1) vs. (3)

(1) vs. (4)

(2) vs. (3)

(2) vs. (4)

(3) vs. (4)

−1.980

−4.029

−4.458

−2.049

−2.477

−0.428

0.553

0.017*

0.005*

0.496

0.187

n.s.

PCS (Physical Component Summary Score)

(1) vs. (2)

(1) vs. (3)

(1) vs. (4)

(2) vs. (3)

(2) vs. (4)

(3) vs. (4)

−8.942

−13.856

−14.875

−4.915

−5.933

−1.018

<0.001**

<0.001**

<0.001**

<0.001**

<0.001**

n.s.

MCS (Mental Component Summary Score

(1) vs. (2)

(1) vs. (3)

(1) vs. (4)

(2) vs. (3)

(2) vs. (4)

(3) vs. (4)

−2.665

−4.025

−3.882

−1.360

−1.216

0.144

0.360

0.079

0.065

n.s.

n.s.

n.s.

  1. (1) = preoperative, (2) = 6 months, (3) = 12 months, (4) = 18 months