TABLE 3.
MEAN DIFFERENCE IN RETINAL NERVE FIBER LAYER THICKNESS (RIGHT MINUS LEFT) MEASURED WITH THE STANDARD SCAN ALGORITHM OF STRATUS OCT*
| VARIABLE | MEAN DIFFERENCE (μm) | STANDARD DEVIATION (μm) | 95% CONFIDENCE INTERVAL (μm) | P VALUE |
|---|---|---|---|---|
| Mean | 1.3 | 4.7 | 0.4 to 2.2 | .004 |
| Temporal | 1.6 | 8.9 | –0.1 to 3.3 | .066 |
| Superior | –0.6 | 13.1 | –3.1 to 2.0 | .662 |
| Nasal | 4.5 | 12.5 | 2.1 to 6.9 | <.001 |
| Inferior | –0.3 | 11.5 | –2.5 to 1.9 | .817 |
| 9:00/3:00 | 1.0 | 7.5 | –0.5 to 2.4 | .156 |
| 10:00/2:00 | 4.2 | 13.7 | 1.6 to 6.9 | .002 |
| 11:00/1:00 | 7.0 | 19.1 | 3.3 to 10.7 | <.001 |
| 12:00 | –1.1 | 19.9 | –4.9 to 2.7 | .564 |
| 1:00/11:00 | –7.6 | 17.7 | –11.0 to –4.2 | .000 |
| 2:00/10:00 | 3.3 | 20.4 | –0.6 to 7.2 | .102 |
| 3:00/9:00 | 4.2 | 14.4 | 1.4 to 6.9 | .003 |
| 4:00/8:00 | 6.0 | 13.6 | 3.4 to 8.6 | <.001 |
| 5:00/7:00 | 0.2 | 16.6 | –3.0 to 3.4 | .901 |
| 6:00 | 1.3 | 21.2 | –2.8 to 5.3 | .517 |
| 7:00/5:00 | –2.2 | 16.7 | –5.4 to 1.0 | .172 |
| 8:00/4:00 | –0.4 | 13.5 | –3.0 to 2.2 | .759 |
*
Clock-hour values given for right/left eyes.