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Table 5 Intra-rater reliability for prevalence of positive hypermobility findings for total score and for single-joints

From: Inter- and intra-rater reliability for measurement of range of motion in joints included in three hypermobility assessment methods

Total score/single joint

Prevalence of positive findings

Agreement

Reliability

Prevalence index

Bias index

Rater A

Rater B

Prevalence of positive findings (%)

Kappa (95% Cl)

Prevalence-adjusted bias-adjusted kappa-value

(95% Cl)

n (%)

n (%)

BeS ≥ 4

3 (10)

2 (7)

97

0.78 (0.43–1.14)

0.93 (0.64–1.00)

0.83

−0.03

BeS ≥ 5

3 (10)

1 (3)

93

0.47 (0.16–0.78)

0.86 (0.54–0.98)

0.86

−0.07

HdM ≥ 4

7 (24)

4 (14)

90

0.67 (0.33–1.01)

0.79 (0.45–0.96)

0.62

−0.10

HdM ≥ 5

2 (7)

3 (10)

97

0.78 (0.43–1.14)

0.93 (0.64–1.00)

0.83

0.03

CS ≥ 30

9 (31)

5 (17)

72

0.27 (−0.07–0.60)

0.45 (0.06–0.75)

0.52

−0.14

5th Finger, left

3 (10)

3 (10)

100

1.00 (0.64–1.36)

1.00 (0.66–1.00)

0.79

0.00

5th Finger, right

3 (10)

2 (7)

97

0.78 (0.43–1.14)

0.93 (0.64–1.00)

0.83

−0.03

Thumb, left

8 (28)

5 (17)

90

0.71 (0.36–1.06)

0.79 (0.45–0.96)

0.55

−0.10

Thumb, right

5 (17)

2 (7)

90

0.52 (0.20–0.84)

0.79 (0.45–0.96)

0.76

−0.10

Elbow, left

5 (17)

4 (14)

90

0.61 (0.25–0.97)

0.79 (0.45–0.96)

0.69

−0.03

Elbow, right

6 (21)

4 (14)

93

0.76 (0.41–1.11)

0.86 (0.54–0.98)

0.66

−0.07

Shoulder, left

1 (3)

1 (3)

100

1.00 (0.64–1.36)

1.00 (0.66–1.00)

0.93

0.00

Shoulder, right

2 (7)

3 (10)

90

0.35 (−0.01–0.70)

0.79 (0.45–0.96)

0.83

0.03

Calcaneus, left

14 (48)

10 (34)

66

0.30 (−0.05–0.65)

0.31 (−0.09–0.64)

0.17

− 0.14

Calcaneus, right

13 (45)

10 (34)

76

0.50 (0.15–0.86)

0.52 (0.13–0.79)

0.21

−0.10

Ankle, left

5 (17)

6 (21)

90

0.66 (0.30–1.03)

0.79 (0.45–0.96)

0.62

0.03

Ankle, right

7 (24)

6 (21)

83

0.51 (0.14–0.87)

0.66 (0.28–0.88)

0.55

−0.03

Big toe, left

24 (83)

18 (62)

79

0.51 (0.19–0.83)

0.59 (0.21–0.84)

−0.45

−0.21

Big toe, right

15 (52)

16 (55)

83

0.65 (0.29–1.02)

0.66 (0.28–0.88)

−0.07

0.03

Knee extension, left

4 (14)

3 (10)

97

0.84 (0.48–1.20)

0.93 (0.64–1.00)

0.76

−0.03

Knee extension, right

3 (10)

4 (14)

83

0.19 (−0.17–0.55)

0.66 (0.28–0.88)

0.76

0.03

Knee flexion, left

21 (72)

22 (76)

90

0.73 (0.37–1.09)

0.79 (0.45–0.96)

−0.48

0.03

Knee flexion, right

22 (76)

23 (79)

97

0.90 (0.54–1.26)

0.93 (0.64–1.00)

−0.55

0.03

Trunk flexion

6 (21)

6 (21)

100

1.00 (0.64–1.36)

1.00 (0.66–1.00)

0.59

0.00

Patella, left

2 (7)

3 (10)

97

0.78 (0.43–1.14)

0.93 (0.64–1.00)

0.83

0.03

Patella, right

2 (7)

5 (17)

90

0.52 (0.20–0.84)

0.79 (0.45–0.96)

0.76

0.10

Hip abduction, left

0 (0)

0 (0)

NA

NA

NA

  

Hip abduction, right

0 (0)

0 (0)

NA

NA

NA

  
  1. The hypermobility instruments used in this study were: BeS Beighton score, CS Contompasis score, HdM Hospital del Mar, NA Not applicable, none of the participants reached the cut off limit