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Table 4: Tumor consistency, SI ratio, and CE-FIESTA findings compared with collagen contents
Tumor Consistency at Surgery P Value
Hard (n = 5) Soft (n = 24)
Collagen contents, % 46.6 ± 20.2 14.4 ± 14.5 .0002
T2WI SI ratio^a 1.20 ± 0.16 1.29 ± 0.19 .3271
CE-FIESTA SI ratio^a 1.32 ± 0.35 1.85 ± 0.17 .0106
MR Sequences MR Findings Radiologist 1 Radiologist 2 P Value
Collagen Contents, % P Value MR Findings Collagen Contents, %
CE-FIESTA Solid (8) 40.9 ± 26.3 <.0001 Solid (7) 35.7 ± 25.2 .012
Mosaic (21) 12.0 ± 7.5 Mosaic (22) 14.9 ± 15.0 
CE-T1WI Solid (22) 21.1 ± 21.2 .5733 Solid (20) 22.2 ± 20.4 .3642
Mosaic (7) 16.2 ± 14.5 Mosaic (9) 14.9 ± 18.0 
T2WI Solid (18) 20.8 ± 23.5 .7632 Solid (14) 20.6 ± 21.7 .8734
Mosaic (11) 18.5 ± 11.7 Mosaic (15) 19.4 ± 18.2 
Note:—Numbers in parentheses indicate number of cases in each category.
Data are mean ± SD.
↵a SI on T2WI and CE-FIESTA of tumor to SI on each of white matter, respectively.

	Tumor Consistency at Surgery		P Value
	Hard (n = 5)	Soft (n = 24)	P Value
Collagen contents, %	46.6 ± 20.2	14.4 ± 14.5	.0002
T2WI SI ratio^a	1.20 ± 0.16	1.29 ± 0.19	.3271
CE-FIESTA SI ratio^a	1.32 ± 0.35	1.85 ± 0.17	.0106

MR Sequences	MR Findings	Radiologist 1		Radiologist 2		P Value
MR Sequences	MR Findings	Collagen Contents, %	P Value	MR Findings	Collagen Contents, %	P Value
CE-FIESTA	Solid (8)	40.9 ± 26.3	<.0001	Solid (7)	35.7 ± 25.2	.012
	Mosaic (21)	12.0 ± 7.5		Mosaic (22)	14.9 ± 15.0
CE-T1WI	Solid (22)	21.1 ± 21.2	.5733	Solid (20)	22.2 ± 20.4	.3642
	Mosaic (7)	16.2 ± 14.5		Mosaic (9)	14.9 ± 18.0
T2WI	Solid (18)	20.8 ± 23.5	.7632	Solid (14)	20.6 ± 21.7	.8734
	Mosaic (11)	18.5 ± 11.7		Mosaic (15)	19.4 ± 18.2