Table 3.

AUC for the ability of imaging modalities to discriminate fracture status stratified by duration of CKD

Parameter	Tertile 1	Tertile 2	Tertile 3
DXA
total LS BMD (g/cm2)	0.55	0.66	0.72
TH BMD (g/cm2)	0.50	0.65	0.75
FN BMD (g/cm2)	0.61	0.62	0.78
1/3R BMD (g/cm2)	0.55	0.55	0.68
UDR BMD (g/cm2)	0.55	0.67	0.84
HRpQCT, radius
total area (mm2)	0.60	0.67	0.55
CtArea (mm2)	0.52	0.61	0.74
trabecular area (mm2)	0.61	0.60	0.65
Dtot (mg HA/cm3)	0.50	0.68	0.86
Dcort (mg HA/cm3)	0.54	0.52	0.82
Dtrab (mg HA/cm3)	0.54	0.67	0.71
BV/TV (%)	0.54	0.67	0.71
CtTh (μm)	0.53	0.57	0.81
TbN (1/mm)	0.55	0.63	0.71
trabecular thickness (μm)	0.47	0.63	0.58
TbSp (μm)	0.56	0.66	0.72
TbSpSD (1/μm)	0.53	0.70	0.73
HRpQCT, tibia
total area (mm2)	0.59	0.61	0.67
CtArea (mm2)	0.43	0.75	0.78
trabecular area (mm2)	0.63	0.51	0.77
Dtot (mg HA/cm3)	0.59	0.86	0.77
Dcort (mg HA/cm3)	0.54	0.56	0.80
Dtrab (mg HA/cm3)	0.58	0.73	0.64
BV/TV (%)	0.58	0.73	0.64
CtTh (μm)	0.46	0.76	0.77
TbN (1/mm)	0.60	0.81	0.60
trabecular thickness (μm)	0.53	0.47	0.63
TbSp (μm)	0.60	0.81	0.60
TbSpSD (1/μm)	0.66	0.77	0.63

Tertile 1, ≤2.7 years; tertile 2, 2.7 to 6.9 years; tertile 3, ≥6.9 years.