BMC Medical Research Methodology

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)

< 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]

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ISSN: 1471-2288

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