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. 2019 Jun 17;19:129. doi: 10.1186/s12886-019-1129-7

Table 3.

Results of analyses by disease

3–1. ERG responses before and after injection in eyes with AMD
AMD n = 37 (male, 24; female, 13)
mean age 74.1 ± 8.6 y.o.
injected eye Phase 1 Phase 2 Phase 3 repeated measure test
implicit time 29.9 ± 1.8 30.4 ± 1.6a 30.8 ± 2.14a p = 0.00009
(msec.) p = 0.025 p = 0.00001
amplitude 9.0 ± 5.7 8.1 ± 6.4 9.0 ± 6.3 p = 0.484
(uV) p = 1 p = 1
non-injected eye Phase 1 Phase 2 Phase 3 repeated measure test
implicit time 29.5 ± 2.5 30.4 ± 2.1a 30.6 ± 2.4a p = 0.00097
(msec.) p = 0.023 p = 0.0017
amplitude 10.1 ± 7.2 9.6 ± 7.3 9.8 ± 6.2 p = 0.853
(uV) p =1  p =1 
3–2. ERG responses before and after injection in eyes with DME
DME n = 24 (male, 14; female, 10)
mean age 59.9 ± 11.3 y.o.
injected eye Phase 1 Phase 2 Phase 3 repeated measure test
implicit time 33.6 ± 3.2 34.2 ± 3.2 34.7 ± 3.1a p = 0.00036
(msec.) p = 0.19 p = 0.0003
Amplitude 8.0 ± 5.9 7.1 ± 5.8 7.6 ± 5.9 p = 0.45
(uV) p = 0.94 p = 0.96
non-injected eye Phase 1 Phase 2 Phase 3 repeated measure test
implicit time 33.6 ± 3.1 34.1 ± 3.1 34.3 ± 3.4a p = 0.0493
(msec.) p = 0.327 p = 0.014
Amplitude 7.5 ± 5.1 7.2 ± 5.5 7.8 ± 5.6 p = 0.495
(uV) p = 1 p = 1
3–3. ERG responses before and after injection in eyes with ME associated with RVO
RVO with ME n = 18 (male, 6; female, 12)
mean age 70.1 ± 14.9 y.o.
injected eye Phase 1 Phase 2 Phase 3 repeated measure test
implicit time 30.7 ± 3.7 31.3 ± 3.4 31.6 ± 3.79a p = 0.00692
(msec.) p = 0.1125 p = 0.0027
Amplitude 8.9 ± 5.7 8.5 ± 5.8 12.9 ± 14.7 p = 0.214
(uV) p = 1 p = 0.68
non-injected eye Phase 1 Phase 2 Phase 3 repeated measure test
implicit time 28.4 ± 1.9 28.6 ± 2.0 28.9 ± 2.3 p = 0.231
(msec.) p = 0.85 p = 0.53
amplitude 10.5 ± 6.4 10.8 ± 6.5 11.2 ± 6.7 p = 0.573
(uV) p = 1 p = 0.96

The results of 28 Hz flicker electroretinogram components classified by disease. 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

AMD age-related macular degeneration;

DME diabetic macular edema;

RVO with ME retinal vein occlusion with macular edema