Table 3. Linear regression model analysis for the retinal nerve fiber layer in the optic neuritis-affected eye compared to the unaffected eye (in %).

	RNFL in percentage
Predictors	regression coefficient b	95%-Confidence interval	p value
(Intercept)	96.22	87.36–105.08	<0.001
Gender [Male]	-6.09	-11.78 –-0.39	0.037
Age at ON-Onset	-0.19	-0.44–0.06	0.129
Time to treatment	0.07	-0.11–0.25	0.435
OPT	0.51	-4.58–5.59	0.842

Observations n = 51. R2/R2 adjusted 0.129/0.053. OCT: optical coherence tomography. ON: Optic neuritis. OPT: Oral prednisone tapering. RNFL: retinal nerve fiber layer.