Combined intravoxel incoherent motion diffusion-weighted MR imaging and magnetic resonance spectroscopy in differentiation between osteoporotic and metastatic vertebral compression fractures

Table 2 ICCs of imaging parameters

Parameters		Reader 1	Reader 2	ICC (95% CI)	P value
D (× 10⁻³ mm²/s)	Osteoporotic	1.65 ± 0.34	1.69 ± 0.36	0.879 (0.768, 0.937)	0.642
D (× 10⁻³ mm²/s)	Metastatic	1.09 ± 0.98	0.98 ± 0.75	0.968 (0.934, 0.984)	0.361
D* (× 10⁻³ mm²/s)	Osteoporotic	24.52 ± 8.28	27.35 ± 10.05	0.869 (0.710, 0.936)	0.486
D* (× 10⁻³ mm²/s)	Metastatic	51.61 ± 14.37	56.08 ± 12.63	0.876 (0.746, 0.940)	0.554
f	Osteoporotic	0.17 ± 0.09	0.16 ± 0.08	0.957 (0.917, 0.978)	0.513
f	Metastatic	0.10 ± 0.05	0.12 ± 0.05	0.856 (0.705, 0.930)	0.678

Data in parentheses are 95% confidence intervals
ICC intraclass correlation coefficient, D pure diffusion coefficient. D* pseudo diffusion coefficient, f perfusion fraction

ISSN: 1749-799X