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Table 3 Post-hoc test for each comparison of the Short Physical Performance Battery (SPPB) measurement time points (t1-t5)

From: The impact of elective total hip and knee arthroplasty on physical performance in orthogeriatric patients: a prospective intervention study

SPPB total sample

     

contrast

t1-t2

t1-t3

t1-t4

t1-t5

t2-t3

p*

< 0.001

0.763

0.034

< 0.001

< 0.001

r

0.659

0.155

0.226

0.699

0.742

contrast

t2-t4

t2-t5

t3-t4

t3-t5

t4-t5

p*

< 0.001

< 0.001

< 0.001

< 0.001

< 0.001

r

0.783

0.863

0.498

0.789

0.569

SPPB hip replacement group

contrast

t1-t2

t1-t3

t1-t4

t1-t5

t2-t3

P*

< 0.001

1

0.005

< 0.001

< 0.001

r

0.543

0.040

0.384

0.786

0.737

contrast

t2-t4

t2-t5

t3-t4

t3-t5

t4-t5

P*

< 0.001

< 0.001

< 0.001

< 0.001

< 0.001

r

0.754

0.866

0.452

0.778

0.533

SPPB knee replacement group

contrast

t1-t2

t1-t3

t1-t4

t1-t5

t2-t3

P*

< 0.001

0.009

1

0.003

< 0.001

r

0.796

0.458

0.063

0.527

0.755

contrast

t2-t4

t2-t5

t3-t4

t3-t5

t4-t5

P*

< 0.001

< 0.001

< 0.001

< 0.001

< 0.001

r

0.833

0.862

0.570

0.810

0.632

  1. t1 = preoperative, t2 = 3. postoperative day, t3 = 7. postoperative day, t4 = 4–6 weeks postoperative, t5 = 3 months postoperative
  2. *Bonferroni correction applied for 10 tests; p = p-value of the Pairwise Wilcoxon signed-rank Test; r = effect size
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BMC Geriatrics

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