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Table 2 Test–retest reliability and internal consistency of FJS-12 question scores between baseline and follow-up

From: Traditional Chinese-Hong Kong version of Forgotten Joint Score-12 (FJS-12) for patients with osteoarthritis of the knee underwent joint replacement surgery: cross-cultural and sub-cultural adaptation, and validation

FJS-12 questions

ICC (95% CI)

Cronbach’s α

Q1

0.832 (0.669 – 0.919)

0.908

Q2

0.734 (0.503 – 0.868)

0.847

Q3

0.517 (0.184 – 0.743)

0.681

Q4

0.651 (0.373 – 0.822)

0.789

Q5

0.720 (0.500 – 0.847)

0.720

Q6

0.734 (0.416 – 0.879)

0.734

Q7

0.745 (0.440 – 0.884)

0.745

Q8

0.666 (0.278 – 0.845)

0.666

Q9

0.788 (0.535 – 0.903)

0.788

Q10

0.520 (0.191 – 0.760)

0.520

Q11

0.839 (0.647 – 0.927)

0.839

Q12

0.755 (0.470 – 0.886)

0.755

Final score

0.769 (0.560 – 0.886)

0.870

  1. FJS-12 Forgotten Joint Knee Score, ICC Intraclass correlation (Single measure), CI Confidence interval
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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