Table 1.

Pearson correlation between PAI and age, weight, height, the Beighton score, thumb-to-forearm grade, and thumb-thrust grade.

Variable	R	P value
Age	−0.194	.001
Weight	−0.144	.020
Height	−0.089	.162
Beighton score	0.020	.735
Thumb-to-forearm grade	0.109	.066
Thumb-thrust grade	0.027	.642