Table 2.
a-wave amplitude (microvolts) before and after silicone oil removal
| Response | Mean ± Standard Deviation (range) | 95% CI of difference | P value | ||
|---|---|---|---|---|---|
| Pre | Post | Difference | |||
| Maximal combined | 27.4 ± 19.9 27 (1.6 to 76) |
48.8 ± 31.9 43.4 (3.8 to 149) |
21.4 ± 22.4 14.8 (−17 to 74) |
12.7 to 30.1 | <0.001 |
| Rod | 7.2 ± 4.5 7.4 (0 to 14.1) |
15.1 ± 14.4 11.8 (1.2 to 68.8) |
7.8 ± 15.1 2.8 (−8.6 to 67.3) |
−2 to 13.7 | 0.001 |
| Cone | 5.5 ± 3.4 5.8 (0.6 to 16.2) |
17.4 ± 22.2 11.2 (1.2 to 120) |
11.9 ± 21.8 5.9 (−2 to 113.7) |
3.5 to 20.3 | <0.001 |
Pre, before silicone oil removal; Post, after silicone oil removal; CI, confidence interval