Skip to main content

Table 4 Comparison of the success rate

From: Comparison of the Ahmed glaucoma valve with the Baerveldt glaucoma implant: a meta-analysis

Studies of subgroups

No. of studies

Crude data (n/N)

OR (95 % CI)

Heterogeneity

Test for over effect (P)

AGV

BGI

I2 (%)

P

Short-term follow-ups

Total

5

282/359

283/355

0.97 (0.56–1.66)

42

0.14

0.90

Sensitivity analysis

4

266/343

271/339

0.87 (0.56–1.35)

23

0.27

0.53

RCT

2

205/263

199/237

0.67 (0.42–1.06)

0

0.92

0.09

Non-RCT

3

77/96

84/118

1.63 (0.71–3.74)

24

0.27

0.25

Children

0

/

/

/

/

/

/

Adults

4

261/327

262/323

1.01 (0.50–2.01)

56

0.08

0.99

Long-term follow-ups

Total

7

219/370

318/465

0.73 (0.54–0.99)

0

0.44

0.04

Sensitivity analysis

6

217/367

312/459

0.74 (0.55–1.00)

0

0.43

0.05

RCT

2

124/231

132/212

0.70 (0.47–1.02)

0

0.46

0.07

Non-RCT

5

95/139

186/253

0.82 (0.45–1.48)

22

0.28

0.51

Children

2

7/14

10/26

0.96 (0.04–21.88)

64

0.1

0.98

Adults

3

154/279

177/282

0.74 (0.52–1.04)

0

0.61

0.08