Table 6.

Comparison between healthy controls and NF1 patients with and without visual symptoms for ssDTI scan type. Data reported as mean ± standard error of mean

	Scan type	Tract count	Tract length	Tract volume	FA	MD	AD	RD
Healthy control	ssDTI	1182.8 ± 145.9	6.8 ± 1.5	686.6 ± 178.7	0.29 ± 0.02	1.92 ± 0.13	2.42 ± 0.13	1.68 ± 0.12
HC vs NF_1 + no visual	p value	0.810	0.426	0.267	0.467	0.371	0.435	0.344
NF_1 + no visual	ssDTI	1073.3 ± 291.4	5.1 ± 0.8	449.5 ± 88.2	0.27 ± 0.01	2.09 ± 0.10	2.57 ± 0.11	1.85 ± 0.10
HC vs NF_1 + visual	p value	0.928	0.472	0.286	0.955	0.109	0.091	0.129
NF_1 + visual	ssDTI	603.8 ± 235.5	5.8 ± 1.3	408.8 ± 158.9	0.31 ± 0.02	1.64 ± 0.09†	2.11 ± 0.11†	1.40 ± 0.09†
NF_1 + no visual vs NF_1 + visual	p value	0.278	0.837	0.694	0.123	0.011	0.016	0.010

^†Significant between NF1 patients without and with visual symptoms