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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