Surgical parameters
| VIT group (n=42) | IVTA+VIT group (n=42) | P value | |
| Combination of cataract surgery | 31 (73.8%) | 33 (78.6%) | 0.61* |
| Lens-sparing vitrectomy | 2 (4.8%) | 0 (0%) | 0.15* |
| Removal of fibrovascular tissue | 13 (31.0%) | 15 (35.7%) | 0.64* |
| ERM peeling | 9 (21.4%) | 7 (16.7%) | 0.58* |
| ILM peeling | 19 (45.2%) | 21 (50.0%) | 0.83 |
| Number of laser spots | 1122±144 | 1208±98 | 0.44† |
| Surgical time (min) | |||
| VIT | 54±3 | 51±4 | 0.46† |
| VIT+cataract surgery | 63±5 | 65±6 | 0.41† |
*χ2 test.
†Mann-Whitney U test.
ERM, epiretinal membrane; ILM, internal limiting membrane; IVTA, intravitreal injection of triamcinolone acetonide; VIT, vitrectomy treatment.