Table 4 Comparison of successful and unsuccessful groups (N = 31).

From: Changes in the deep vasculature assessed using anterior segment OCT angiography following trabecular meshwork targeted minimally invasive glaucoma surgery

 

Successful group (N = 21)

Unsuccessful group (N = 10)

P-value

Age at baseline (years)

74.2 ± 9.4

72.1 ± 9.5

0.56

Sex (female/male), no

5/16

4/6

0.42a

Axial length (mm)

24.44 ± 1.45

25.11 ± 1.92

0.29

Central corneal thickness (μm)

520.0 ± 33.4

530.1 ± 47.9

0.50

Visual field mean deviation (dB)

− 9.74 ± 6.95

− 9.80 ± 3.90

0.98

Single/combined with cataract surgery, no

10/11

4/6

 > 0.99a

Surgical procedure (microhook/TOM/s-LOT)

6/3/12

3/5/2

0.067a

Preoperative anti-glaucoma eye drops, no

3.6 ± 0.9

4.2 ± 0.6

0.063

Preoperative IOP (mmHg)

24.3 ± 7.5

21.6 ± 6.0

0.33

Anti-glaucoma eye drops 1 year after surgery, no

1.4 ± 1.2

3.4 ± 0.9

 < 0.001

IOP 1 year after surgery (mmHg)

13.9 ± 3.1

19.6 ± 4.2

 < 0.001

IOP change rate 1 year after surgery (%)

− 39.8 ± 14.5

− 3.4 ± 23.3

 < 0.001

Preoperative superficial VD (%)

27.13 ± 7.59

26.44 ± 7.59

0.82

Postoperative superficial VD (%)

27.12 ± 6.72

28.43 ± 8.06

0.64

Preoperative deep VD (%)

10.20 ± 4.18

15.71 ± 9.63

0.11

Postoperative deep VD (%)

8.95 ± 2.76

13.52 ± 7.14

0.078

  1. Data are presented as the mean ± standard deviation unless otherwise indicated.
  2. IOP, intraocular pressure; s-LOT, suture trabeculotomy; TOM, Trabectome; VD, vessel density.
  3. P-value: aCalculated using Fisher's exact test; The other values were calculated using an unpaired t-test.
  4. Significant values are in bold.
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