Skip to main content

Table 3 Internal consistency of the Arabic version of the Oxford Knee Score (OKS-Ar)

From: Cross-cultural adaptation and psychometric analysis of the Arabic version of the oxford knee score in adult male with knee osteoarthritis

Items Mean score ± SD Corrected item-total correlation Alpha if item deleted
1 3.18 ± 1.16 .83 .98
2 2.13 ± 1.06 .92 .97
3 2.21 ± 1.04 .93 .97
4 2.06 ± 1.11 .89 .98
5 2.46 ± 1.08 .88 .98
6 2.54 ± 1.37 .88 .98
7 2.57 ± 1.18 .90 .97
8 2.31 ± 1.21 .91 .97
9 2.22 ± 1.12 .90 .97
10 2.24 ± 1.17 .90 .97
11 2.10 ± 1.22 .86 .98
12 2.25 ± 1.23 .91 .97
  1. SD Standard deviation