Table 4.
4–1. ERG responses before and after injection of ranibzumab. | ||||
ranibizumab n = 50 (male, 22; female, 28) | ||||
mean age | 68.1 ± 13.5 y.o. | |||
injected eye | Phase 1 | Phase 2 | Phase 3 | repeated measure test |
implicit time | 31.6 ± 3.45 | 32.0 ± 3.45a | 32.5 ± 3.57a | p < 0.000001 |
(msec.) | p = 0.012 | p < 0.000001 | ||
amplitude | 7.18 ± 5.34 | 6.68 ± 5.60 | 8.21 ± 9.97 | p = 0.377 |
(uV) | p = 1 | p = 1 | ||
non-injected eye | Phase 1 | Phase 2 | Phase 3 | repeated measure test |
implicit time | 30.8 ± 3.24 | 31.3 ± 3.51 | 31.5 ± 3.62a | p = 0.0029 |
(msec.) | p = 0.062 | p = 0.0052 | ||
amplitude | 8.21 ± 6.00 | 7.32 ± 4.79 | 8.31 ± 5.54 | p = 0.144 |
(uV) | p = 0.45 | p = 1 | ||
4–2. ERG responses before and after injection of aflibercept. | ||||
aflibercept n = 28 (male: 21, female: 7) | ||||
mean age | 70.1 ± 11.0 y.o. | |||
injected eye | Phase 1 | Phase 2 | Phase 3 | repeated measure test |
implicit time | 30.9 ± 2.43 | 31.4 ± 2.09a | 31.8 ± 2.55a | p = 0.0032 |
(msec.) | p = 0.020 | p = 0.000002 | ||
amplitude | 11.5 ± 5.41 | 10.0 ± 6.49 | 11.8 ± 6.45 | p = 0.088 |
(uV) | p = 0.4 | p = 1 | ||
non-injected eye | Phase 1 | Phase 2 | Phase 3 | repeated measure test |
implicit time | 30.2 ± 3.33 | 31.0 ± 2.36 | 31.3 ± 2.85a | p = 0.0040 |
(msec.) | p = 0.17 | p = 0.0039 | ||
amplitude | 11.7 ± 6.86 | 12.5 ± 8.23 | 11.8 ± 6.80 | p = 0.511 |
(uV) | p = 1 | p = 1 |
The results of 28 Hz flicker electroretinogram components classified by injected agent. The ERGs were recorded before the injection (Phase 1), within 2 h after the injection (Phase 2), and 2 to 24 h after the injection (Phase 3)
mean ± standard deviation
a; significant difference by the repeated measure test and by the post hoc test compared with Phase 1