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Journal of Patient-Reported Outcomes

Table 4 Spearman’s ρ correlation between the simplified Chinese KOOS and Chinese SF-36 scores

From: The simplified Chinese version of the Knee Injury and Osteoarthritis Outcomes Score (KOOS) in individuals with knee osteoarthritis for mainland China: the study of reliability and validity

  

KOOS

 

Subscale

Pain

Symptoms

ADL

Sport/Rec

QOL

SF-36

Physical function

0.537 **

0.380 **

0.628 **

0.619 **

0.484 **

Role-physical

0.272 **

0.136

0.296 **

0.335 **

0.369 **

Bodily pain

0.435 **

0.275 **

0.437 **

0.436 **

0.483 **

General health

0.276 **

0.165*

0.304 **

0.329 **

0.342 **

Vitality

0.262 **

0.151

0.276 **

0.298 **

0.299 **

Social function

0.274 **

0.201*

0.272 **

0.213*

0.181*

Role-emotional

0.312 **

0.180*

0.333 **

0.274 **

0.341 **

Mental health

0.336 **

0.225 **

0.355 **

0.302 **

0.310 **

  1. Strong correlations in bold type, moderate correlations in regular type, weak correlations italics; strong (ρ ≥ 0.5), moderate (0.35 ≤ ρ < 0.5), or weak (ρ < 0.35) [30, 34]
  2. *Correlation is significant at the 0.05 level (2-tailed)
  3. **Correlation is significant at the 0.01 level (2-tailed)
  4. SF-36, Short Form-36 Health Survey; ADL, Activities of daily living; Sport/Rec, Sports and recreation function; QOL, knee-related quality of life
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