Table 3 Comparison of mfERG amplitudes of P1 waves at baseline and final examination (6th months) (n = 11)
Ring | Amplitude of P1 wave (nV) | p* | ||
|---|---|---|---|---|
Preop | Postop. 6th months | |||
< 2° | ||||
Treated eye | Median (IQR) | 362.0 (159.0–612.0) | 672.0 (564.0–1013.0) | 0.014 |
Mean ± SD | 412.7 ± 291.7 | 830.3 ± 497.9 | ||
Fellow eye | Median (IQR) | 352.0 (163.0–600.0) | 268.0 (225.0–564.0) | 0.509 |
Mean ± SD | 399.1 ± 254.0 | 347.7 ± 174.9 | ||
p | 0.909** | 0.001*** | ||
2°–5° | ||||
Treated eye | Median (IQR) | 227.0 (180.0–297.0) | 217.0 (167.0–446.0) | 0.101 |
Mean ± SD | 215.2 ± 86.7 | 299.0 ± 174.2 | ||
Fellow eye | Median (IQR) | 180.0 (100.0–250.0) | 200.0 (95.0–386.0) | 0.406 |
Mean ± SD | 219.0 ± 175.0 | 255.3 ± 195.5 | ||
p | 0.365*** | 0.562*** | ||
5°–10° | ||||
Treated eye | Median (IQR) | 163.0 (111.0–231.0) | 282.0 (127.0–313.0) | 0.018 |
Mean ± SD | 175.4 ± 86.4 | 248.3 ± 108.5 | ||
Fellow eye | Median (IQR) | 121.0 (75.0–131.0) | 103.0 (94.0–198.0) | 0.834 |
Mean ± SD | 129.0 ± 68.5 | 134.0 ± 75.2 | ||
p | 0.133*** | 0.009** | ||
10°–15° | ||||
Treated eye | Median (IQR) | 161.0 (92.2–170.0) | 269.0 (174.0–295.0) | 0.017 |
Mean ± SD | 147.4 ± 65.8 | 267.4 ± 139.5 | ||
Fellow eye | Median (IQR) | 164.0 (99.0–198.0) | 120.0 (72.4–240.0) | 0.883 |
Mean ± SD | 154.3 ± 62.0 | 149.6 ± 85.7 | ||
p | 0.802** | 0.027** | ||
> 15° | ||||
Treated eye | Median (IQR) | 83.2 (53.1–183.0) | 164.0 (91.0–210.0) | 0.152 |
Mean ± SD | 117.2 ± 78.3 | 152.3 ± 69.5 | ||
Fellow eye | Median (IQR) | 77.4 (57.0–97.2) | 100.0 (60.0–112.0) | 0.053 |
Mean ± SD | 73.2 ± 26.1 | 98.3 ± 43.4 | ||
p | 0.102** | 0.088*** | ||