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Table 3 Preoperative and 2 years postoperative results

From: Combined phacoemulsification and viscocanalostomy with Ologen implant versus combined phacoemulsification and viscocanalostomy

Parameters Phaco-viscocanalostomy group (n = 39) Phaco-viscocanalostomy with Ologen® implant group (n = 40)
Preoperative Postoperative P value Preoperative Postoperative P value
Visual acuity
 Range 0.1–0.7 0.5–1.0   0.1–0.6 0.5–1.0  
 mean ± SD 0.41 ± 0.18 0.75 ± 0.18 <  0.001 0.37 ± 0.17 0.73 ± 0.19 <  0.001
IOPa; mmHg
 Range 15–25 15–22   14–26 13–21  
 mean ± SD 19.46 ± 3.26 16.85 ± 1.58 <  0.001 19.18 ± 3.19 15.96 ± 1.79 <  0.001
Antiglaucoma drugs; n
 Range 2–4 0–4   2–4 0–4  
 mean ± SD 2.85 ± 0.87 0.64 ± 1.01 <  0.001 2.88 ± 0.91 0.35 ± 0.86 <  0.001
  1. IOP intraocular pressure, SD standard deviation
  2. ameasured with treatment
  3. One-tailed student t test
  4. Man-Whitney U test