Table 3.
S1 | S2 | P value | |||
---|---|---|---|---|---|
2004-2005 | 2006–2008 | ||||
N (%) | 95% CI | N (%) | 95% CI | ||
Uveitis* | 324 (67.8%) | 63.6%–72% | 379 (67.8%) | 63.9%–71.7% | 0.972 |
Retina reattachment rate | 423 (87.9%) | 85%–90.9% | 525 (92.9%) | 90.8%–95% | 0.006 |
PVR rate | 68 (14.1%) | 11%–17.3% | 46 (8.1%) | 5.9%–10.4% | 0.002 |
Choroidal detachment† | 4 (0.8%) | 0%–1.7% | 17 (3%) | 1.6%–4.5% | 0.012 |
Postoperative VA | 0.049 | ||||
<20/100 | 109 (25.2%) | 21.1%–29.3% | 122 (22.6%) | 19.1%–26.2% | |
20/100–20/40 | 167 (38.6%) | 34%–43.2% | 179 (33.3%) | 29.3%–37.3% | |
≥20/40 | 158 (36.5%) | 32%–41% | 238 (44.2%) | 40%–48.4% |
N (%): number and percent of proliferative vitreo-retinopathy (PVR) cases; CI: confidence interval; VA: best visual acuity corrected at the end of followup (Snellen charts); *during the first month of followup; †during the first 24 h after surgery.