Table 1.

Demographic and clinical data

Case	Gender	Age (yr)	ASDs	Causes	Affected levels	AO classification (fracture type)	Symptoms	Neurological symptoms	Delayed diagnosis	Transfer from another hospital	No. of days between injury and operation
1	F	72	DISH	Traffic injury	L1	B1	Back pain	No	No	No	5
2	F	68	DISH	Traffic injury	T7	B3	Back pain	No	No	No	11
3	M	72	AS	Ground-level fall	L4	B3	Back pain	No	Yes	Yes	150
4	M	90	AS	Ground-level fall	T11	B3	Back pain	Yes	Yes	Yes	14
5	F	72	DISH	Fell off a tree	T12, L1	B3	Back pain	Yes	Yes	Yes	7
6	F	86	DISH	Ground-level fall	T12	B3	Back pain	Yes	Yes	Yes	49
7	F	76	DISH	Fell down stairs	T12	B1	Back pain	Yes	Yes	Yes	7
8	M	85	DISH	Fell down off a tree	T12	B3	Back pain	No	Yes	Yes	5
9	M	95	AS	Ground-level fall	T6	B3	Back pain	No	No	No	46

ASD, ankylosing spinal disorder; F, female; M, male; DISH, diffuse idiopathic skeletal hyperostosis; AS, ankylosing spondylitis.