Table 7.

Correlation between IVIM-DWI quantitative parameters and SPARCC score

Parameter	Dslow		Dfast		f		ADC
	Rvable	p-value	R value	p-value	R value	p-value	R value	p-value
mean	0.510	<.001	−0.689	<.001	−0.160	0.238	0.492	<.001
Skewness	−0.228	0.091	0.621	<.001	0.349	0.008	−0.348	0.009
Kurtosis	−0.494	<.001	0.612	<.001	0.383	0.004	−0.535	<.001
Entropy	0.591	<.001	−0.242	0.072	0.380	0.004	0.601	<.001
10th	0.468	<.001	−0.559	<.001	0.448	0.001	0.480	<.001
25th	0.469	<.001	0.099	0.470	0.547	<.001	0.469	<.001
50th	0.517	<.001	−0.446	0.001	0.426	0.001	0.494	<.001
75th	0.531	<.001	−0.576	<.001	−0.092	0.500	0.519	<.001
90th	0.510	<.001	−0.378	0.004	−0.378	0.060	0.504	<.001

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