Table 4.
Difference in RNFL thickness between OCT scans of high and low signal strength
| Location | Mean difference (μm) | P value* |
|---|---|---|
| Superior | 0.749 | 0.026 |
| Nasal | 1.251 | 0.001 |
| Inferior | 0.866 | 0.003 |
| Temporal | 0.736 | 0.005 |
| 1 CH | 1.274 | 0.009 |
| 2 CH | 1.137 | 0.034 |
| 3 CH | 1.358 | 0.003 |
| 4 CH | 1.151 | 0.010 |
| 5 CH | 0.719 | 0.103 |
| 6 CH | 0.990 | 0.044 |
| 7 CH | 1.010 | 0.019 |
| 8 CH | 1.020 | 0.008 |
| 9 CH | 0.823 | 0.004 |
| 10 CH | 0.304 | 0.352 |
| 11 CH | 0.077 | 0.855 |
| 12 CH | 0.983 | 0.036 |
| Average | 0.882 | 0.000 |
RNFL, retinal nerve fiber layer; OCT, optical coherence tomography; CH, clock hour
*
Paired t-test