Skip to main content

Table 5 Summary of efficacy outcomes comparing Trab and EX over a follow-up duration of more than 1 year

From: Comparison of surgical outcomes between initial trabeculectomy and Ex-PRESS in terms of achieving an intraocular pressure below 15 and 18 mmHg: a retrospective comparative study

Author (year)

Study design

Number of eyes Trab/EX

Primary surgical success definition

Secondary surgical success definition

Primary success rate at 1 year

Primary success rate at 2 years

Secondary success rate at 1 year

Secondary success rate at 2 years

Gonzalez-Rodriguez (2016) [13]

RCT

31/32

5 ≤ IOP ≤ 18 mmHg, a ≥ 20% reduction, no medications

5 ≤ IOP ≤ 18 mmHg, a ≥ 20% reduction, with or without medications

NA

42% vs. 43%

(P = 0.78)

NA

76% vs. 59%

(P = 0.20)

Netland (2014) [14]

RCT

61/59

5 ≤ IOP ≤ 18 mmHg, with or without medications and without additional glaucoma surgeries

5 ≤ IOP ≤ 15 mmHg, with or without medications and without additional glaucoma surgeries

87% vs. 90%

79% vs. 83%

70% vs. 73%

56% vs. 58%

Dahan (2012) [15]

RCT

15/15

5 < IOP < 18 mmHg, without medications

5 < IOP < 18 mmHg, with or without medications

NA

NA

NA

NA

de Jong L (2011) [16]

RCT

39/39

4< IOP ≤ 18 mmHg, no medications

4 < IOP ≤ 15 mmHg, no medications

61.5% vs. 86.8%

(P = 0.01)

51.3% vs. 76.3%

(P = 0.02)

51.3% vs. 80.0%

(P = 0.01)

48.7% vs. 71.1%

(P = 0.046)

Wang (2017) [17]

Prosp

24/24

5 ≤ IOP ≤ 21 mmHg, without surgical interventions

NA

87.5% vs. 95.8% (P = 0.289)

NA

NA

NA

Tojo (2018) [18]

Retro

39/69

 IOP ≤ 15 mmHg or a ≥ 20% reduction, with or without medications

 IOP ≤ 21 mmHg or a ≥ 20% reduction, with or without medications

NA

NA

NA

NA

Liu (2015) [19]

Retro

17/16

5 < IOP < 18 mmHg, no medications

5 < IOP < 18 mmHg, with or without medications

47% vs. 43%

(P > 0.05)

NA

76.5% vs. 75.0%

(P > 0.05)

NA

Moisseiev (2015) [20]

Retro

61/39

 ≤ 20 mmHg or a ≥ 20% reduction, no medications

 ≤ 20 mmHg or a ≥ 20% reduction, with or without medications

62.3% vs. 66.6%

NA

86.9% vs. 84.6%

NA

Present study

Retro

64/54

5 < IOP < 15 mmHg without medications and interventions

5 < IOP < 18 mmHg without medications and interventions

68% vs. 62%

57% vs. 53%

84% vs. 72%

72% vs. 64%

  1. Trab = trabeculectomy; EX = Ex-PRESS; RCT = randomized control trial; IOP = intraocular pressure; NA = not applicable; Prosp = prospective; Retro = retrospective