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Table 6 Results of the Receiver Operating Characteristic Curve Analysis

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

 

Area Under Curve (95% Confidence Interval)

MCID

Sensitivity

Specificity

IKDC

0.83* (0.76–0.89)

9.8

0.79

0.72

KOOS

 Symptoms

0.79* (0.72–0.87)

10.9

0.67

0.76

 Pain

0.76* (0.68–0.84)

16.1

0.51

0.89

 ADL

0.79* (0.72–0.86)

8.1

0.70

0.76

 Sport/Rec

0.79* (0.72–0.86)

12.5

0.77

0.67

 QOL

0.67* (0.58–0.77)

9.4

0.56

0.75

  1. MCID minimal clinically important difference, IKDC International Knee Documentation Committee Subjective Knee Form, KOOS Knee Injury and Osteoarthritis Outcome Score
  2. *P ≤ 0.001
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Health and Quality of Life Outcomes

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