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Table 3 Construct validity, given as Spearman correlations of the five KOOS subscales and the eight SF-36 subscales in subjects following anterior cruciate ligament reconstruction (ACLR) (n = 72)

From: Cross-cultural translation and measurement properties of the Polish version of the Knee injury and Osteoarthritis Outcome Score (KOOS) following anterior cruciate ligament reconstruction

  

KOOS subscales

  

Pain

Symptoms

ADL

Sport/Rec

QOL

SF-36 subscales

PF

0.68

0.45

0.65*

0.67*

0.64

RP

0.56

0.29

0.47

0.50

0.43

 

BP

0.66*

0.41

0.54

0.51

0.51

 

GH

0.38

0.18

0.38

0.33

0.39

 

VT

0.38

0.21

0.35

0.32

0.36

 

SF

0.38

0.23

0.38

0.33

0.25

 

RE

0.22

0.12

0.20

0.25

0.17

 

MH

0.17

0.08

0.12

0.10

0.14

  1. Abbreviations: ADL Activities of daily living, QOL Quality of life, PF Physical functioning, RP Role-physical, BP Bodily pain, GH General health, VT Vitality, SF Social functioning, RE Role-emotional, MH Mental health.
  2. * As hypothesized, expected correlations were above 0.35 for a priori hypotheses 1-3.
  3. As hypothesized, correlations between KOOS subscales and SF-36 subscales better representing Mental Health (bolded in table) were lower than between KOOS subscales and SF-36 subscales better representing Physical Health (a priori hypothesis 4).