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Table 1 Demographic data of patients in all groups

From: Can levels of antioxidants in synovial fluid predict the severity of primary knee osteoarthritis: a preliminary study

  Mild-moderate group Severe group P-value
(KSS >46) (KSS ≤46)
n = 14 n = 9
Agea (yrs) (range) 66.14 ± 7.25 (55–78) 67.56 ± 8.47 (55–86) 0.67
Gender    0.12
  - Female 9 (64.30%) 9 (100%)
  - Male 5 (35.70%) 0 (0%)
Body mass indexa (range) 24.63 ± 3.53 (20.00–30.80) 26.76 ± 2.88 (23.86–32.42) 0.16
  1. aMean ± standard deviation (S.D.). Abbreviation: KSS Knee society score (Insall et al. 1989; Asif and Choon 2005), yrs years.