Table 1.
Retinal nerve fiber layer thickness as measured by scanning laser polarimetry and spectral-domain optical coherence tomography
| NAION (n=18) | PE (n=19) | ON (n=10) | P-value* | P-value† | P-value‡ | |
|---|---|---|---|---|---|---|
| Average | ||||||
| SLP | 51.7±10.9 | 63.5±10.5 | 62.7±5.3 | 0.002 | 0.020 | 1.000 |
| SD-OCT | 162.5±55.4 | 169.8±47.0 | 145.6±24.7 | 1.000 | 1.000 | 0.621 |
| Superior | ||||||
| SLP | 58.5±13.6 | 73.5±8.6 | 76.0±10.5 | <0.001 | 0.001 | 1.000 |
| SD-OCT | 194.0±56.9 | 208.8±66.4 | 184.6±59.6 | 1.000 | 1.000 | 1.000 |
| Inferior | ||||||
| SLP | 66.6±17.0 | 75.1±16.8 | 78.2±11.2 | 0.337 | 0.209 | 1.000 |
| SD-OCT | 210.7±60.6 | 235.5±88.4 | 200.4±33.1 | 0.949 | 1.000 | 0.686 |
| Temporal | ||||||
| SLP | 28.2±12.2 | 38.9±15.2 | 33.1±13.0 | 0.064 | 1.000 | 0.863 |
| SD-OCT | 132.5±58.2 | 114.9±38.1 | 89.8±17.1 | 0.753 | 0.076 | 0.482 |
| Nasal | ||||||
| SLP | 31.5±10.9 | 44.2±17.0 | 36.1±9.1 | 0.020 | 1.000 | 0.403 |
| SD-OCT | 112.5±76.6 | 119.8±62.2 | 106.1±32.4 | 1.00 | 1.00 | 1.00 |
Notes:
*
One-way ANOVA with Bonferroni correction between NAION and PE
†
one-way ANOVA with Bonferroni correction between NAION and ON
‡
one-way ANOVA with Bonferroni correction between PE and ON.
Abbreviations: ANOVA, analysis of variance; NAION, nonarteritic anterior ischemic optic neuropathy; ON, optic neuritis; PE, papilledema; SD-OCT, spectral-domain optical coherence tomography; SLP, scanning laser polarimetry.