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Table 1 American Rheumatism Association (ARA) criteria for the classification of knee OA

From: miR-129-3p alleviates chondrocyte apoptosis in knee joint fracture-induced osteoarthritis through CPEB1

Numerical order

Clinical characteristics

1

Knee joint ache most of the time before onset of knee OA

2

Clicking of joint

3

Morning stiffness for less than 30 min

4

Over 40 years old

5

Swollen knee joint; clicking of joint

6

Swollen knee joint; without clicking of joint

  1. In clinical criteria, knee OA was diagnosed if the patient met the criteria of 1 + 2 + 3 + 4, 1 + 2 + 3 + 5, or 1 + 6
  2. OA osteoarthritis
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X