Table 5.

IVIM-DWI quantitative parameter analysis results and SPARCC evaluation groups were compared pairwise

Parameter	Inactive–active		Active–control		Inactive–control
	Standard error	p- value	Standard error	p-value	Standard error	p- value
f 10th	5.620	0.017	5.017	<0.001	6.130	0.626
f 25th	6.465	0.080	5.771	<0.001	7.051	0.040
f 50th	6.753	0.258	6.028	<0.001	7.366	0.186
Dslow mean	6.753	0.620	6.029	<0.001	7.366	0.001
Dslow skewness	6.753	0.308	6.029	<0.001	7.366	0.130
Dslow kurtosis	6.753	0.037	6.029	<0.001	7.366	0.089
Dslow entropy	6.753	0.101	6.029	0.027	7.366	1.000
Dslow 10th	6.753	0.594	6.029	<0.001	7.366	0.013
Dslow 25th	6.753	0.755	6.029	<0.001	7.366	0.003
Dslow 50th	6.753	0.550	6.029	<0.001	7.366	0.002
Dslow 75th	6.753	0.481	6.029	<0.001	7.366	0.001
Dslow 90th	6.753	0.629	6.029	<0.001	7.366	＜0.001
Dfast mean	6.754	0.714	6.029	<0.001	7.366	0.015
Dfast skewness	6.754	1.000	6.029	0.001	7.366	0.040
Dfast kurtosis	6.754	1.000	6.029	0.006	7.366	0.049
Dfast entropy	6.754	0.905	6.029	0.044	7.366	0.010
Dfast 10th	6.754	1.000	6.029	0.053	7.366	0.230
Dfast 50th	6.747	1.000	6.023	<0.001	7.359	0.004
Dfast 75th	6.591	1.000	5.883	<0.001	7.189	0.001
ADC mean	6.754	0.304	6.029	<0.001	7.366	0.020
ADC skewness	6.754	0.749	6.029	0.004	7.366	0.351
ADC kurtosis	6.754	0.139	6.029	<0.001	7.366	0.497
ADC 10th	6.754	0.521	6.029	<0.001	7.366	0.013
ADC 25th	6.754	0.518	6.029	<0.001	7.366	0.005
ADC 50th	6.754	0.542	6.029	<0.001	7.366	0.003
ADC 75th	6.754	0.282	6.029	<0.001	7.366	0.015
ADC 90th	6.754	0.346	6.029	<0.001	7.366	0.010
SPARCC	6.381	0.002	5.696	<0.001	6.960	0.094

ADC, apparent diffusion coefficient; IVIM-DWI, intravoxel incoherent motion diffusion-weighted imaging; SPARCC, Spondyloarthritis Research Consortium of Canada.