Table 4.
Generalized Estimating Equation Analysis of RNFL Quadrant Thickness.
| RNFL Thickness (µm) | DLB Group | Control Group | P Value a |
|---|---|---|---|
| Superior quadrant | |||
| Eyes (n) | 31 | 85 | |
| Mean ± SD | 104.6 ± 15.36 | 106.1 ± 14.15 | .817 |
| Median | 105.0 | 105.0 | |
| Min, max | 63.0, 133.0 | 81.0, 143.0 | |
| Temporal quadrant | |||
| Eyes (n) | 31 | 85 | |
| Mean ± SD | 60.52 ± 10.34 | 61.07 ± 9.42 | .833 |
| Median | 60.0 | 60.0 | |
| Min, max | 40.0, 85.0 | 42.0, 87.0 | |
| Inferior quadrant | |||
| Eyes (n) | 31 | 85 | |
| Mean ± SD | 104.3 ± 13.98 | 113.8 ± 15.22 | .014 b |
| Median | 104.0 | 112.00 | |
| Min, max | 74.0, 130.0 | 80.0, 152.0 | |
| Nasal quadrant | |||
| Eyes (n) | 31 | 85 | |
| Mean ± SD | 68.65 ± 5.27 | 72.09 ± 13.42 | .102 |
| Median | 69.0 | 71.0 | |
| Min, max | 57.0, 76.0 | 45.0, 123.0 | |
Abbreviations: DLB, dementia with Lewy bodies; RNFL, retinal nerve fiber layer.
a
P value is based on test of difference between means using generalized estimating equations.
b
Statistically significant.