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. Author manuscript; available in PMC: 2022 Jan 1.
Published in final edited form as: J Rheumatol. 2020 Apr 15;48(1):94–100. doi: 10.3899/jrheum.191374

Table 4.

Intra-rater reliability of FI-3 task score (% of maximum number of repetitions) and Borg CR-10 scores for 25 patients in cohorts 2 and 3

FI-3 tasks Session 1 Session2 Difference ICC (95% CI) Measurement
error
Median (range) Median (range) Median (range)
 Shoulder flexion right 100 (0, 100) 100 (5, 100) 0 (−28, 25) 0.96 (0.92, 0.98) 6.8
 Shoulder flexion left 100 (8, 100) 67 (7, 100) 0 (−43, 11) 0.92 (0.83, 0.97) 9.3
 Neck flexion 40 (0, 100) 35 (0, 100) 0 (−38, 20) 0.94 (0.87, 0.97) 9.0
 Hip flexion right 50 (0, 100) 33 (0, 100) 0 (−57, 33) 0.88 (0.74, 0.94) 13.2
 Hip flexion left 45 (0, 100) 38 (0, 100) 0 (−48, 40) 0.93 (0.86, 0.97) 10.0
 Total score 69 (0, 100) 62 (3, 100) −1 (−32, 15) 0.95 (0.89, 0.98) 6.8
Borg CR-10 scores
 Shoulder flexion right 3 (0.5, 9) 4 (0.5, 9) 0 (−2, 4) 0.76 (0.54, 0.89) 1.0
 Shoulder flexion left 4 (0.5, 9) 4 (0.5, 9) 0 (−2, 4) 0.85 (0.68, 0.93) 0.9
 Neck flexion 5 (3, 10) 5 (3, 9) 0 (−4, 5) 0.53 (0.17, 0.76) 1.6
 Hip flexion right 6 (3, 10) 6 (0.5, 10) 0 (−6, 2) 0.72 (0.46, 0.86) 1.2
 Hip flexion left 6 (4, 10) 7 (2, 10) 0 (−6, 3) 0.68 (0.38, 0.84) 1.2