Skip to main content

Table 3 Outcomes of primary retinal detachment surgery by oil type

From: Outcomes of Heavy Silicone Oil (Densiron) compared to Silicone Oil in primary rhegmatogenous retinal detachment: a multivariable regression model

 

Total

Silicone Oil

Densiron

p Value

Total

259

179

80

 

Postoperative Lens*

    

 Phakic

48 (18.9%)

34 (19.2%)

14 (18.2%)

0.307

 Pseudophakic

187 (73.6%)

127 (71.8%)

60 (77.9%)

 Aphakic

16 (6.3%)

14 (7.9%)

2 (2.6%)

Duration of oil (days)

133 (77 to 222)

163 (91 to 239)

85 (61 to 133)

 < 0.001

Days Follow up

411 (207 to 729)

447 (237 to 765)

300 (178 to 675)

 

Removal of tamponade (%)

193 (74.5%)

126 (70.4%)

67 (83.8%)

0.030

Primary Failure at six-months (%)

26 (10.0%)

18 (10.1%)

8 (10.0%)

1.000

Further RRD Surgery (% Yes)

75 (29.0%)

51 (28.5%)

24 (30.0%)

0.882

 0

184 (71.0%)

128 (71.5%)

56 (70.0%)

0.844

 1

53 (20.5%)

37 (20.7%)

16 (20.0%)

  ≥ 2

22 (8.5%)

14 (7.8%)

8 (10.0%)

Further PVR C (% Yes)

42 (16.2%)

33 (18.4%)

9 (11.3%)

0.201

 No initial PVR C (% Yes)

26 (13.4%)

21 (16.8%)

5 (7.2%)

0.078

 Initial PVR C (% Yes)

16 (24.6%)

12 (22.2%)

4 (36.4%)

0.442

Further Retinectomy rate

23 (8.9%)

22 (12.3%)

1 (1.3%)

0.003

 No initial retinectomy (% Yes)

20 (8.4%)

19 (11.9%)

1 (1.3%)

0.005

 Initial retinectomy (% Yes)

3 (13.6%)

3 (15.8%)

0 (0.0%)

1.000

Further ERM Surgery

12 (4.7%)

9 (5.1%)

3 (3.8%)

0.759

Required Glaucoma procedures (all)

9 (3.5%)

5 (2.8%)

4 (5.0%)

0.464

 No History of Glaucoma

9 (3.5%)

5 (2.8%)

4 (5.2%)

0.459

 Known Glaucoma Patient

0 (0.0%)

0 (0.0%)

0 (0.0%)

-

Required Glaucoma Surgery (tube/trabeculectomy/cyclodiode)

7 (2.7%)

4 (2.2%)

3 (3.8%)

0.680

Subsequent Tamponade

   

-

 Oil

49 (65.3%)

34 (66.7%)

15 (62.5%)

0.797

 Densiron

17 (22.7%)

14 (27.5%)

3 (12.5%)

0.237

 Gas

18 (24.0%)

7 (13.7%)

11 (45.8%)

0.004

Post-Operative VA (logMAR)

0.80 (0.50 to 1.60)

1.00 (0.60 to 1.60)

0.50 (0.30 to 1.00)

 < 0.001

LogMAR Gain

0.20 (− 0.30 to 0.80)

0.30 (− 0.30 to 0.90)

0.20 (− 0.25 to 0.65)

0.859

  1. Age is reported as median (interquartile range) and Kruskal Wallis test used to compare continuous variables
  2. Chi Squared test to compare more than two nominal groups
  3. Statistical significance in bold
  4. Postoperative lens status could not be determined in three patients
  5. GRT Giant retinal tear, PVR proliferative vitreoretinopathy