Table 2 Phase 3. Overall agreement, kappa values and prevalence (%) of Beighton tests and criteria in method A and method B

First finger, right

97%

92%

0.94 (65%)

0.84 (63%)

First finger, left

95%

92%

0.89 (62%)

0.82 (68%)

Fifth finger, right

85%

77%

0.69 (46%)

0.43 (27%)

Fifth finger, left

74%

74%

0.49 (49%)

0.48 (41%)

Elbow, right

82%

80%

0.63 (42%)

0.60 (49%)

Elbow, left

87%

77%

0.73 (40%)

0.54 (47%)

Knee, right

85%

64%

0.62 (28%)

0.30 (46%)

Knee, left

85%

72%

0.62 (28%)

0.43 (42%)

Forward bending

95%

97%

0.64 (8%)

0.84 (9%)

BT ≥5 GJH classification

82%

80%

0.64 (42%)

0.59 (46%)