Table 1.

Comparison between patients with and without fracture in diffuse idiopathic skeletal hyperostosis

Variable	Fracture (n=52)	Non-fracture (n=88)
Max VB from the thoracic to the sacrum	11.3±3.75**	8.42±3.62
Max VB from the lumbar to the sacrum	3.10±2.34**	1.02±1.51
Age (yr)	82.1±7.82*	77.7±8.70
Males	31 (59.6)*	67 (76.1)
Weight (kg)	54.1±10.2**	64.1±11.1
Calcium (mg/dL)	8.68±0.558**	9.09±0.549
Glycosylated hemoglobin (%)	5.83±0.81*	6.06±0.69
Proximal femur bone mineral density (g/cm2)	0.710±0.16**	0.935±0.22

Values are presented as mean±standard deviation or number (%).

Max VB, the maximum number of vertebrae that are bony cross-linked with contiguous adjacent vertebrae without interruption.

^*p<0.05 and

^**p<0.01 were significant difference.