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Table 1 Improved Mankin scoring system of cartilage 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)

Mankin score

Normal

9

0.44 ± 0.53

Mild OA

10

3.70 ± 1.06

Moderate OA

13

7.54 ± 1.05

Severe OA

15

12.20 ± 1.37