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Table 4 Test–retest reliability of the Finnish KJOC score for the total score, and single items

From: Cross-cultural adaptation and validation of the Kerlan-Jobe Orthopaedic Clinic shoulder and elbow score in Finnish-speaking overhead athletes

 

Test score mean (SD)

Retest score mean (SD)

ICC (95% CI)

Total score

89.3 (12.4)

90.9 (10.1)

0.77 (0.66–0.85)

Item 1 (warming up)

8.1 (2.3)

8.4 (2.0)

0.38 (0.17–0.56)

Item 2 (pain)

8.5 (1.8)

8.7 (1.8)

0.77 (0.66–0.85)

Item 3 (weakness)

8.6 (1.8)

8.8 (1.6)

0.72 (0.59–0.81)

Item 4 (instability)

9.2 (1.5)

9.2 (1.2)

0.41 (0.21–0.58)

Item 5 (team relations)

9.7 (0.7)

9.8 (0.7)

0.51 (0.32–0.66)

Item 6 (technique)

8.8 (1.8)

9.1 (1.3)

0.67 (0.52–0.78)

Item 7 (speed/power)

9.2 (1.4)

9.3 (1.1)

0.58 (0.41–0.71)

Item 8 (endurance)

9.2 (1.5)

9.4 (1.1)

0.68 (0.54–0.79)

Item 9 (movement control)

8.9 (1.7)

9.1 (1.5)

0.55 (0.37–0.69)

Item 10 (competitive level)

9.1 (1.5)

9.2 (1.3)

0.67 (0.52–0.78)

  1. SD standard deviation, ICC Intraclass correlation coefficient, CI Confidence interval