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Table 1 Validity data for the self-reporting line drawing instrument

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

Self-Report Instrument Version One   Version Two   Version Three  
(One-Interval, n = 15) (Two-Intervals, n = 15) (Two-Three Intervals, n = 50)
Sensitivity Specificity Sensitivity Specificity Sensitivity Specificity
(95% CI) (95% CI) (95% CI) (95% CI) (95% CI) (95% CI)
Item-1: Lumbar Sp. 1.00 (0.20, 1.00) 0.54 (0.26, 0.80) 1.00 (0.31, 1.00) 0.83 (0.51, 0.97) 1.00 (0.73, 1.00) 1.00 (0.95 1.00)
Item-1: Lumbar Sp. (sitting) 1.00 (0.73, 1.00) 1.00 (0.95, 1.00)
Item-2: Knee R 0.50 (0.09, 0.91) 0.91 (0.57, 0.99) 0.50 (0.09, 0.91) 1.00 (0.68, 1.00) 1.00 (0.82, 1.00) 0.97 (0.90, 0.99)
Item-3: Knee L 0.50 (0.09, 0.91) 0.73 (0.39, 0.93) 0.50 (0.03, 0.97) 0.92 (0.62, 0.99) 0.91 (0.57, 0.99) 0.99 (0.93, 0.99)
Item-4: Thumb R 1.00 (0.40, 1.00) 1.00 (0.68, 1.00) 1.00 (0.31, 1.00) 1.00 (0.70, 1.00) 1.00 (0.80, 1.00) 1.00 (0.94, 1.00)
Item-5: Thumb L 1.00 (0.40, 1.00) 1.00 (0.68, 1.00) 1.00 (0.05, 1.00) 1.00 (0.73, 1.00) 1.00 (0.78, 1.00) 1.00 (0.94, 1.00)
Item-6: Elbow R 0.50 (0.17, 0.83) 0.50 (0.29, 0.71) 0.33 (0.02, 0.87) 0.92 (0.60, 0.99) 0.68 (0.48, 0.83) 1.00 (0.94, 1.00)
Item-7: Elbow L 0.33 (0.02, 0.87) 0.83 (0.51, 0.97) 0.50 (0.09, 0.91) 0.91 (0.57, 0.99) 0.90 (0.72, 0.97) 0.99 (0.91, 0.99)
Item-8: Little Finger R 0.50 (0.03, 0.97) 0.69 (0.39, 0.90) 0.33 (0.02, 0.87) 0.75 (0.43, 0.93) 0.67 (0.39, 0.87) 1.00 (0.95, 1.00)
Item-9: Little Finger L 0.50 (0.03, 0.97) 0.77 (0.46, 0.94) 0.50 (0.09, 0.91) 0.82 (0.48, 0.97) 0.60 (0.27, 0.86) 1.00 (0.95, 1.00)
Overall 0.63 (0.44, 0.79) 0.82 (0.73, 0.88) 0.62 (0.41, 0.79) 0.90 (0.82, 0.95) 0.87 (0.81, 0.91) 0.99 (0.98, 1.00)
  1. CI confidence interval