Table 3.
Pre- and postoperative characteristics of ELM and EZ.
| Baseline | 1 M | 3 M | 6 M | 9 M | 12 M | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ELM(+) | EZ(+) | ELM(+) | EZ(+) | ELM(+) | EZ(+) | ELM(+) | EZ(+) | ELM(+) | EZ(+) | ELM(+) | EZ(+) | |
| I (19) | 11 | 12 | 11 | 12 | 15 | 14 | 19 | 17 | 19 | 19 | 19 | 19 |
| II (20) | 13 | 13 | 10 | 10 | 14 | 14 | 18 | 17 | 20 | 18 | 20 | 20 |
| III (21) | 13 | 14 | 13 | 14 | 16 | 16 | 21 | 19 | 21 | 21 | 21 | 21 |
| p value | ||||||||||||
| I versus II | 0.899 | 0.905 | 0.863 | 0.613 | 0.785 | 0.798 | 0.491 | 0.676 | 1 | 0.491 | 1 | 1 |
| II versus III | 0.837 | 0.88 | 0.651 | 0.444 | 0.925 | 0.925 | 0.447 | 0.954 | 1 | 0.447 | 1 | 1 |
| I versus III | 0.7986 | 0.816 | 0.796 | 0.816 | 0.835 | 0.855 | 1 | 0.916 | 1 | 1 | 1 | 1 |
ELM(+): preservation of external limiting membrane; EZ(+): preservation of ellipsoid zone; Group I: ERM removal without ILM peeling; Group II: ERM removal and whole-piece ILM peeling; Group III: ERM removal and ILM maculorrhexis; M: month.