Table 5.

Past Reports on Bone Mineral Density and Bone Metabolism Markers in Ankylosing Spondylitis and Diffuse Idiopathic Skeletal Hyperostosis.

	N	Sex	Mean age	Diagnostic criteria	Methods	BMD of the proximal extremity or neck of femur	Lumbar BMD	Bone marker	Journal	Year
AS
Singh HJ	100	Combined	35.2	Modified New York criteria	Case-control study	DEXA: low	DEXA: low	1,25(OH)2D3 low	J Clin Densitom	2013
Bronson WD	19	Male	50.5	Modified New York criteria	Case-control study	DEXA: low	DEXA: low	No difference	J Rheumatol	1998
Sivri A	22	Combined	36.8	New York criteria	Randomized control	DEXA: low	DEXA: low	Not estimated	Clin Rheumatol	1996
Mullaji AB	33	Combined	37	Modified New York criteria	Case-control study	Not estimated	DEXA: low	Not estimated	JBJS	1994
DISH
Horie S	25	Male	62.8	Resnick	Not described	DEXA: high	DEXA: high	P1NP low	SICOT J	2018
Sohn S	65	Combined	73.2	Resnick	Case-control study	DEXA: no difference	DEXA: high	Not estimated	J Clin Densitom	2016
Diederichs G	129	Male	74.2	Resnick	Randomized control	Not estimated	DEXA high QCT no difference	Not estimated	Osteoporos Int	2011
Westerveld LA	10	Combined	80.4	Resnick and Niwayama	Not described	Not estimated	DEXA: no difference	Not estimated	Rheumatology	2009

Abbreviations

AS: ankylosing spondylitis, BMD: bone mineral density, DISH: diffuse idiopathic skeletal hyperostosis, 1,25(OH)2D3: 1alpha,25-dihydroxyvitamin D3, DEXA: dual-energy X-ray absorptiometry