Table 4. Correlation analyses comparing early axial diffusivity with axonal outcomes at six and 12 months.

Axial Diffusivity		6 months		12 months
		RNFL	mfVEP amplitude	RNFL	mfVEP amplitude
	R	0.07	0.14	0.15	0.21
Baseline	p	0.70	0.45	0.39	0.22
	n	35	32	37	35
	R	0.38	0.41	0.44	0.48
1 month	p	0.037	0.019	0.008	0.003
	n	34	32	36	36
	R	0.29	0.19	0.20	0.07
3 months	p	0.34	0.29	0.24	0.69
	n	37	36	36	36

RNFL = retinal nerve fibre layer thickness mfVEP = multi-focal visual evoked potential