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Table 4 Spearman Correlations Between the Chinese IKDC and the Subscales of Chinese KOOS

From: Comparing the Chinese versions of two knee-specific questionnaires (IKDC and KOOS): reliability, validity, and responsiveness

 

IKDCa

KOOSb

Symptoms

Pain

ADL

Sport/Rec

QOL

SF-36

Physical functioning

0.79d

0.60d

0.57d

0.70d

0.67d

0.54d

Role physical

0.54d

0.42d

0.48d

0.48d

0.43d

0.41d

Bodily pain

0.63d

0.53d

0.41d

0.56d

0.45d

0.45d

General health

0.35d

0.30d

0.20d

0.34d

0.23d

0.35d

Vitality

0.25d

0.18c

0.13

0.19c

0.18c

0.30d

Social functioning

0.45d

0.38d

0.40d

0.43d

0.40d

0.47d

Role emotional

0.34d

0.28d

0.29d

0.35d

0.17c

0.30d

Mental health

0.29d

0.23d

0.22d

0.25d

0.19c

0.36d

Physical composite score

0.74d

0.59d

0.55d

0.68d

0.57d

0.53d

Mental composite score

0.21d

0.17c

0.17c

0.20d

0.09

0.29d

IKDC

1.00

0.70d

0.63d

0.79d

0.78d

0.58d

  1. aIKDC: International Knee Documentation Committee Subjective Knee Form
  2. bKOOS: Knee Injury and Osteoarthritis Outcome Score
  3. cCorrelation is significant at the 0.05 level (2-tailed)
  4. dCorrelation is significant at the 0.01 level (2-tailed)