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Table 2 Results of the randomized clinical trials using SLT

From: Where does selective laser trabeculoplasty stand now? A review

Author, year

SLT IOP red (mmHg) at 6 m—1 y (months)

SLT IOP red (mmHg) end of study (months)

Control group IOP red (mmHg) at 6 m—1 y (months)

Control group IOP red (mmHg) end of study (months)

SLT definition of success

SLT success rate at 6 m—1 y (%) (months)

SLT success rate at end of study (%) (months)

Lai, 2004 [22]

8.0 (12)

8.6 ± 6.7 (60)

7.0 (12)

8.7 ± 6.6 (60)

IOP < 21 mmHg

97

72.41 (60)

Nagar, 2005 [23]

NA

--

NA

--

>20 % IOP red

90° = 34

--

180° = 65

360° = 82 (10)

Nagar, 2009 [24]

6.2 ± 0.8 (4–6)

--

7.8 ± 0.8 (4–6)

--

>20 % IOP red

75 (4–6)

--

Katz, 2012 [21]

6.3 ± 2.7 (12)

--

7.0 ± 1.8 (12)

--

IOP ≤ 2 mmHg above target IOP + no VF loss ≥ 3 unit

80 (12)

--

Bovell, 2011 [26]

6.0 ± 6.1 (12)

7.4 ± 7.3 (60)

6.0 ± 4.8 (12)

6.7 ± 6.6 (60)

>20 % IOP red

71 (12)

25 (60)

Liu, 2012 [27]

3.8 (12)

1.8 (24)

2.7 (12)

2.8 (24)a

def 1: > 20 % IOP red

55 (12)

def 1: 40 (24)a

def 2: IOP < target IOP

def 2: 75 (24)a

Rosenfeld, 2012 [28]

4.3 (12)

--

3.23 (12)

--

≥15 % IOP red

75 (12)

--

Kent, 2013 [29]

6.8 (6)

--

7.0 (6)

--

>20 % IOP red

73 (6)

--

  1. Abbreviations: IOP red = IOP reduction; m = months; y = year; NA = not available; red = reduction; VF = visual field; def = definition; end of study = when study was longer than 12 months
  2. aResults of Liu et al. [27] at end of study (37 months) were not available