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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
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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