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Table 2 Reproducibility and agreement between the self-reporting line drawings and the clinical assessment

From: Development and validation of self-reported line drawings of the modified Beighton score for the assessment of generalised joint hypermobility

  Reproducibility Agreement
Self-Report Instrument Participant Intra Observer Intra Participant Observer Inter
  k (95% CI) k (95% CI) k (95% CI)
Item-1: Lumbar Sp. 1.00 1.00 1.00
Item-1: Lumbar Sp. (sitting) 1.00 1.00 1.00
Item-2: Knee R 0.88 (0.73, 1.00) 1.00 0.95 (0.87, 1.00)
Item-3: Knee L 0.88 (0.86, 1.00) 0.88 (0.86, 1.00) 0.90 (0.76, 1.00)
Item-4: Thumb R 1.00 1.00 1.00
Item-5: Thumb L 1.00 1.00 1.00
Item-6: Elbow R 0.94 (0.81, 1.00) 0.95 (0.84, 1.00) 0.75 (0.60, 0.90)
Item-7: Elbow L 0.95 (0.84, 1.00) 0.95 (0.85, 1.00) 0.90 (0.81, 1.00)
Item-8: Little Finger R 0.88 (0.64, 1.00) 1.00 0.77 (0.59, 0.96)
Item-9: Little Finger L 0.79 (0.39, 1.00) 0.88 (0.64, 1.00) 0.73 (0.48, 0.98)
Beighton Score ≥ 4/9 0.91 (0.74, 1.00) 1.00 0.96 (0.87, 1.00)
  1. < 0 = poor agreement, 0.01–0.20 = slight agreement, 0.21–0.40 = fair agreement, 0.41–0.60 = moderate agreement, 0.61–0.80 = substantial agreement, 0.81–1.00 = almost perfect agreement [27]