Table 2. RNFL thickness in P-ON eyes versus HC eyes.

Quadrants (μm)	P-ON eyes	HC eyes	P-value
Central	84.90±17.3 (48–111)	103.10±6.64 (91–120)	0.001
Superior temporal	118.95±25.7 (66–166)	138.40±16.05 (107–166)	0.009
Temporal	57.50±17.6 (28–91)	70.35±7.35 (57–84)	0.012
Inferior temporal	120.80±27.07 (77–157)	149.10±17.56 (110–176)	0.001
Inferıor nasal	98.40±2.80 (49–173)	126.10±2.41 (93–174)	0.002
Nasal	63.80±16.27 (32–95)	78.75±15.80 (52–116)	0.013
Superior nasal	96.65±35.26 (59–202)	111.05±23.75 (73–157)	0.372

Abbreviations: HC, healthy age-matched control; P-ON, with previous optic neuritis; RNFL, retinal nerve fiber layer. Mann–Whitney U-test. Data are mean±SD (min–max). Italic entries refer to statistical significance (P<0.05).