Distal radius plate of CFR-PEEK has minimal effect compared to titanium plates on bone parameters in high-resolution peripheral quantitative computed tomography: a pilot study

Table 1 Reproducibility (RMSCV%) calculated from duplicate HRpQCT measurements at the uninstrumented and instrumented radii

Bone parameter	RMSCV% Radius #1		RMSCV% Radius #2		RMSCV% Radius #3
Bone parameter	Un-instrumented	Instrumented (CFR-PEEK)	Un-instrumented	Instrumented (Titanium)	Un-instrumented	Instrumented (Titanium)
vBMD
Dtot	0.52	2.18	0.02	1.29	0.00	0.20
Dtrab	0.10	1.95	0.34	0.00	0.31	0.62
Dcort	0.31	1.48	0.24	1.13	0.01	0.06
Micro − architecture
BV/TV	0.00	1.76	0.47	0.00	1.25	0.00
Tb.N	2.24	0.92	0.00	1.19	0.72	0.67
Tb.Th	1.84	0.90	0.00	1.66	0.00	1.11
Tb.Sp	2.16	0.99	0.16	1.13	0.37	0.08
Ct.Th	1.50	1.55	0.00	1.65	0.93	0.00
Biomechanical
Scomp	0.42	1.38	0.28	1.71	0.02	0.49
F.Ult	0.28	1.30	0.40	2.23	0.06	0.54

Abbreviations: vBMD volumetric bone mineral density, Dtot total density, Dtrab trabecular density, Dcort cortical density, BV/TV bone to total volume, Tb.N trabecular number, Tb.Th trabecular thickness, Tb.Sp trabecular separation, Ct.Th cortical thickness, Scomp compression stiffness, F.Ult ultimate failure load

ISSN: 1471-2342