Table 4.

Radiographic characteristics of relatives of probands with Scheuermann's disease.

Radiographic signs	Relation degree
	I–III (n = 78)		I (n = 41)		II (n = 23)		III (n = 14)
	n	%	n	%	n	%	n	%
Wedge-shaped vertebral body	69	89	38	93	15	65	13	97
Platyspondylia	9	12	2	56	8	35	—	—
Narrowing of intervertebral space	72	92	38	93	23	100	13	92
Vertebral body osteoporosis	63	81	33	80	23	100	9	66
Schmorl's nodules	33	42	15	37	—	12	13	93
Endplate irregulations	2	3	—	—	—	—	2	14
Apophysis fragmentation	—	—	—	—	—	—	—	—
Osteochondrosis signs	61	78	33	80	20	87	8	55
Spondylosis	44	56	25	61	7	30	9	66
Arthrosis	26	33	12	29	19	83	—	—