BMC Medical Imaging

Table 3 Pearson correlation coefficients between %FSF and thresholding measurements

From: Comparison of paraspinal muscle composition measurements using IDEAL fat–water and T2-weighted MR images

Parameter	Mean ± SD
Parameter	%FSF	Thresholding	r	95% CI
L4–L5 level
Right MF	21.51 ± 9.24	27.38 ± 10.16	0.90	0.81–0.95
Left MF	21.87 ± 9.27	27.38 ± 10.45	0.92	0.85–0.96
Right ES	28.26 ± 12.29	29.07 ± 12.34	0.90	0.80–0.95
Left ES	27.03 ± 10.40	26.55 ± 10.55	0.92	0.84–96
Right psoas	13.25 ± 2.93	3.88 ± 2.73	0.67	0.44–0.82
Left psoas	16.67 ± 3.05	2.27 ± 1.50	0.078	− 0.26 to 0.40
L5–S1 level
Right MF	23.67 ± 8.47	28.08 ± 8.88	0.89	0.78–0.94
Left MF	24.79 ± 9.12	29.25 ± 9.58	0.89	0.79–0.94
Right ES	35.44 ± 11.09	41.91 ± 14.11	0.87	0.75–0.93
Left ES	36.59 ± 10.93	40.25 ± 12.50	0.92	0.85–0.96
Right psoas	14.82 ± 3.77	6.14 ± 3.65	0.32	− 0.05 to 0.61
Left psoas	19.88 ± 4.50	2.15 ± 2.17	− 0.027	− 0.39 to 0.34

CI confidence interval

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ISSN: 1471-2342

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