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Table 2 Intraoperative and postoperative parameters collected from all patients in Group A (n = 41 eyes) and Group B (n = 36 eyes)

From: Pars plana vitrectomy with partial tamponade of filtered air in Rhegmatogenous retinal detachment caused by superior retinal breaks

 

Group A

Group B

P value

Use of heavy liquid (yes:no)

29:12

27:9

0.675*

Phacovitrectomy (yes:no)

4:37

5:31

0.726*

Laser photocoagulation number (shots)

421.3 ± 131.5

450.9 ± 150.3

0.715

Primary anatomic success (yes:no [%])

38:3 (92.7)

35:1 (97.2)

0.618*

 Causes of failure (number of eyes)

  

1.000*

  New retinal breaks

2

1

 

  PVR

1

0

 

Final anatomic success (%)

100

100

1.000*

Postoperative cataract surgery (number)

   

 Phakic eyes after primary RD repair

31

26

0.735*

 Underwent secondary cataract surgery

7

13

0.031*

Remained phakic until the final follow-up

24

13

0.049*

Eyes underwent Nd: YAG subcapsulotomy

4

12

0.068*

Postoperative interval to have cataract surgery (months)

10.3 ± 3.0

9.9 ± 2.9

0.797

Postoperative logMAR BCVA (Snellen equivalent)

   

 Day 1

1.41 ± 0.60 (20/514)

2.45 ± 0.23 (20/5637)

<0.001

 Week 1

0.96 ± 0.51 (20/182)

1.18 ± 0.40 (20/303)

0.008

 Month 1

0.86 ± 0.37 (20/145)

1.08 ± 0.29 (20/240)

0.003

 Month 3

0.72 ± 0.39 (20/105)

0.79 ± 0.30 (20/123)

0.182

 Month 6

0.63 ± 0.34 (20/85)

0.61 ± 0.27 (20/81)

0.769

 Final follow-up

0.42 ± 0.30 (20/53)

0.43 ± 0.21 (20/54)

0.404

  1. PVR proliferative vitreoretinopathy, RD retinal detachment, Nd: YAG neodymium-doped yttrium aluminum garnet, logMAR logarithm of minimal angle of resolution, BCVA best corrected visual acuity
  2. Statistical analysis: * = χ2 analysis;  = unpaired t test;  = unpaired Mann-Whitney test
  3. Continuous values presented as mean ± standard deviation