Multiple regression analysis of variables with visual improvement
| Variable | Range | Mean | p Value | Statistical test |
|---|---|---|---|---|
| Age (years) | 32~75 | 64.6 | 0.38 | Spearman’s correlation |
| Sex (M:F) | 5:27 | 0.44 | t test | |
| Duration of symptoms (months) | 1~60 | 14.2 | 0.16 | Spearman’s correlation |
| Axial length (mm) | 21.20~25.96 | 23.30 | 0.82 | Person’s correlation |
| Spherical equivalent (D) | −5.5~+3.0 | -0.46 | 0.58 | Spearman’s correlation |
| Preoperative hole size (μm) | 130~900 | 551 | 0.29 | Spearman’s correlation |
| Type of hole closure | Type 1, type 2 | 0.002 | t test |