Table 3.
Analysis for the establishment of the relationships between explanatory variables and the primary anatomic success.
| Explanatory variables | Univariate analysis | Logistic regression analysis | |
|---|---|---|---|
| p value | p value | OR (95% CI) | |
| Sex | 0.26 | NE | |
| Age | 0.04 | 0.054 | 0.88 (0.78–1.00) |
| Preoperative visual acuity | 0.31 | NE | |
| Visual acuity at the last visit | 0.42 | NE | |
| Primary surgeon | 0.24 | NE | |
| Number of breaks | 0.91 | NE | |
| Location of breaks | 0.44 | NE | |
| Quadrant of retinal detachment | 0.19 | Not included in the model | |
| Macular detachment | 0.28 | NE | |
| Operative time | 0.54 | NE | |
| Lens status | 0.08 | Not included in the model | |
| Gauge of vitreous cutter | 1 | NE | |
OR = odds ratio; CI = confidence interval; NE = not entered into multiple regression analysis.