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Table 2 Average gray level of SIRT1 in the OA and control groups (mean ± SD)

From: The expression of SIRT1 in articular cartilage of patients with knee osteoarthritis and its correlation with disease severity

Group

Sample (n)

Average gray level

Normal

9

104.14 ± 8.30

OA

  

 Mild

10

125.94 ± 10.71a

 Moderate

13

133.22 ± 9.62a,b

 Severe

15

163.07 ± 9.78a,c,d

 Total

38

143.09 ± 19.23a

  1. a P < 0.05, versus normal group
  2. b P > 0.05, versus mild group
  3. c P < 0.05, versus mild group
  4. d P < 0.05, versus moderate group
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X