Research Article
Dealings between Cataract and Retinal Reattachment Surgery in PVR
Table 2
Change in lens densitometry.
| | | Group 1 | Group 2 | Group 3 | Group 4 |
| | Reference body whole lens (%) | | | | | | Preoperative mean | 9.5 | 8.7 | 8.1 | 7.8 | | Preoperative range | 9.1–10.3 | 8.2–9.5 | 7.7–8.7 | 7.5–8.1 | | Mean 4 months after silicone oil fill | 10.85 | 11.4 | 11.7 | 8.0 | | Range 4 months after silicone oil fill | 10.2–11.7 | 9.4–13.4 | 8.2–13.4 | 7.6–9.0 | | value | 0.031 | 0.004 | 0.031 | 0.313 | | Effect size | 0.637 | 0.628 | 0.587 | 0.384 |
| | Reference body anterior (%) | | | | | | Preoperative mean | 10.6 | 9.2 | 8.5 | 7.8 | | Preoperative range | 10.0–12.1 | 8.8–10.2 | 7.9–9.6 | 7.5–8.4 | | Mean 4 months after silicone oil fill |
11.7 | 10.2–12 | 11.4 | 8.0 | | Range 4 months after silicone oil fill | 10.9–13.6 | 9.4–13.3 | 8.1–16.5 | 7.5–9.9 | | value | 0.094 | 0.004 | 0.031 | 0.500 | | Effect size | 0.514 | 0.628 | 0.636 | 0.436 |
| | Reference body center (%) | | | | | | Preoperative mean | 8.6 | 8.1 | 7.3 | 7.2 | | Preoperative range | 8.0–10.5 | 7.7–10.7 | 7.2–7.8 | 7.1–7.7 | | Mean 4 months after silicone oil fill | 9.8 | 11.0 | 11.7 | 7.5 | | Range 4 months after silicone oil fill | 7.8–11.7 | 8.1–17.0 | 7.9–16.3 | 7.1–9.3 | | value | 0.156 | 0.004 | 0.016 | 0.438 | | Effect size | 0.455 | 0.628 | 0.633 | 0.343 |
| | Reference body posterior (%) | | | | | | Preoperative mean | 7.4 | 7.4 | 7.1 | 7.4 | | Preoperative range | 7.2–7.6 | 7.2–8.3 | 7.1–7.6 | 7.2–7.5 | | Mean 4 months after silicone oil fill | 7.2 | 7.4 | 7.7 | 7.6 | | Range 4 months after silicone oil fill | 7.1–7.6 | 7.2–9.7 | 7.1–9.3 | 7.5–8.0 | | value | 0.625 | 0.375 | 0.031 | 0.250 | | Effect size | 0.258 | 0.294 | 0.636 | 0.655 |
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Statistical analysis: Wilcoxon matched-pairs test with exact value. Effect size: : Rosenthal: 0.1, “small effect,” 0.3, “medium effect,” and 0.5, “large effect.”
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