Table 3 Multivariate logistic regression analysis about factors that could influence the appearance or progression of ERMs
Variables | Proportion | OR[95% CI] | p |
|---|---|---|---|
Forced enter method | |||
Smoking | never = 25 (33%) ago = 42 (55%) present = 9 (12%) | 0.96 [0.27–3.41] | 0.95 |
Lens status | phakia = 52 (68%) pseudophakia = 17 (22%) undergone surgery = 7 (9%) | 1.20 [0.31–4.63] | 0.80 |
Subretinal hemorrhage | no hemorrhage larger than 4-disc area = 69 (91%) present =7 (9%) | 0.44 [0.04–4.85] | 0.50 |
PVD status | no PVD = 4 (5%) complete PVD = 46 (61%) VMA = 18 (24%) progress = 8 (11%) | 5.77 [1.72–19.4] | 0.005 |
Peripheral degeneration | None = 49 (64%) lattice = 1 (1%) other degeneration (cobblestone, naevus, CHRPE, etc. = 26 (34%) | 3.87 [1.15–13.0] | 0.029 |
Type of AMD | PCV = 38 (50%) others = 38 (50%) | 1.05 [0.33–3.38] | 0.93 |
Contralateral eye at baseline | no ERM =35 (46%) present = 41 (54%) | 1.17 [0.33–4.11] | 0.81 |
Number of injections | mean 9.41 (±4.33) (times) | 1.02 [0.90–1.16] | 0.72 |
Forward-backwards stepwise method | |||
PVD status | no PVD = 4 (5%) complete PVD = 46 (61%) VMA = 18 (24%) progress = 8 (11%) | 5.38 [1.73–16.7] | 0.004 |
Peripheral degeneration | none = 49 (64%) lattice = 1 (1%) other degeneration (cobblestone, nevus, CHRPE, etc. = 26 (34%) | 3.83 [1.23–12.0] | 0.021 |