Table 1. Phenotype description for case-control study.

	Cases	Controls
	N = 287	N = 182
females/males	females	females
age range (years)	10–59	16–64
age mean ±SD (years)	17.9±8.6	28.3±10
menarche	yes or no	yes (more than 2 years after)
family history of scoliosis	positive or negative	negative
back deformity	idiopathic scoliosis (rib hump)	no deformity
curve pattern	all	NA
Cobb angle at final visit	10°–114°	NA
Cobb angle at final visit mean ±SD	39.4°±19.0°	NA
angle of trunk rotation in degrees (Bunell scoliometer)	NA	<4°

NA – non applicable.