Associations of IDUA and PTCH1 with Bone Mineral Density, Bone Turnover Markers, and Fractures in Chinese Elderly Patients with Osteoporosis

Table 1

Characteristics of participants disaggregated by study group.

Variable	Fracture group	Osteoporotic group
	Age (years)						0.242
Female/male	103/69	98/58	1	0.586
BMI (kg/m^2)				0.082
β-CTX (ng/ml)				0.947
PINP (ng/ml)				0.487
BMD-L2-4 (g/cm^2)				<0.001
BMD-FN (g/cm^2)				0.098
BMD-WT (g/cm^2)				0.009
BMD-FT (g/cm^2)				<0.001
BMD-TH (g/cm^2)				0.003

BMI: body mass index; β-CTX: procollagen type I carboxy terminal peptide beta special sequence; PINP: procollagen I N-terminal propeptide; BMD: bone mineral density; L2-4: L2-4 vertebra; FN: femoral neck; WT: Ward’s triangle; FT: femoral trochanter; TH: total hip.