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Table 3 Visual acuity results

From: Comparison of phacotrabeculectomy versus phacocanaloplasty in the treatment of patients with concomitant cataract and glaucoma

  Phacotrabeculectomy Phacocanaloplasty P value
  n BCVA (logMAR) P value n BCVA (logMAR) P value  
Baseline 20 0.71 ± 0.87   19 0.48 ± 0.39   .835 a
Postoperative        
  1 day 20 1.32 ± 0.95 <.0001 b 17* 1.17 ± 1.00 <.0001 b .537 a
  7 days 20 1.14 ± 1.00 <.0001 b 17* 0.78 ± 0.46 <.0001 b .729 a
  4 weeks 20 1.02 ± 0.93 <.0001 b 17* 0.38 ± 0.37 <.0001 b .004 a
  3 months 20 0.56 ± 0.66 <.0001 b 17* 0.28 ± 0.33 <.0001 b .104 a
  6 months 20 0.40 ± 0.69 <.0001 b 17* 0.27 ± 0.39 <.0001 b .821 a
  12 months 19~ 0.43 ± 0.69 <.0001 b 15+ 0.29 ± 0.33 .001 b .607 a
  1. Values are means ± SD (standard deviation).
  2. n sample size, BCVA best corrected visual acuity, logMAR log of the minimum angle of resolution.
  3. versus baseline; phacotrabeculectomy versus phacocanaloplasty.
  4. * Two patients developed filtering blebs after canaloplasty and were therefore excluded.
  5. + Two patients needed cyclodestruction to reach target IOP and were therefore excluded.
  6. ~ One patient underwent cyclophotocoagulation to lower IOP and was therefore excluded.
  7. a Mann–Whitney U-test for independent samples without normal distribution.
  8. b Wilcoxon signed-rank test for dependent samples without normal distribution.