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Table 4 Characteristics of the stable and unstable subgroups in combined group at 12 and 24 months postoperatively

From: Long-term outcomes of prediction error after combined phacoemulsification and trabeculectomy in glaucoma patients

Variables

12 months postoperatively

24 months postoperatively

Stable subgroup

(n=30)

Unstable subgroup

(n=30)

P value

Stable subgroup

(n=20)

Unstable subgroup

(n=27)

P value

Age (years)

62.47 ± 10.68

68.83 ± 10.58

0.024 a

62.40 ± 11.77

66.40 ± 10.55

0.222 c

Sex (male/female)

17 / 13

17 / 13

1.000 b

12 / 8

16 / 11

0.599 b

Type of glaucoma (ACG/OAG)

17 / 13

17 / 13

1.000 b

9 / 11

17 / 10

0.177 b

Baseline BCVA (LogMAR)

0.61 ± 0.82

0.74 ± 0.82

0.530 a

0.87 ± 1.05

0.44 ± 0.39

0.197 c

Postoperative BCVA (LogMAR)

0.40 ± 0.76

0.57 ± 0.95

0.449 a

0.59 ± 10.7

0.36 ± 0.60

0.334 c

Baseline IOP (mmHg)

31.87 ± 10.50

27.33 ± 9.18

0.080 a

30.15 ± 9.23

29.37 ± 10.01

0.384 c

Postoperative IOP (mmHg)

13.50 ± 2.67

13.20 ± 3.57

0.714 a

13.75 ± 2.86

13.48 ± 3.41

0.312 c

AL (mm)

23.11 ± 0.89

23.20 ± 1.19

0.735 a

23.20 ± 0.94

23.22 ± 1.16

0.249 c

ACD (mm)

2.23 ± 0.47

2.27 ± 0.50

0.492 a

2.28 ± 0.46

2.08 ± 0.41

0.040 c

LV (mm)

0.74 ± 0.31

0.89 ± 0.27

0.038 a

0.70 ± 0.35

0.94 ± 0.21

0.010 c

AV (mm)

2.96 ± 0.27

3.17 ± 0.47

0.041 a

2.99 ± 0.26

3.02 ± 0.45

0.418 c

  1. ACG angle closure glaucoma, OAG open angle glaucoma, BCVA best-corrected visual acuity, LogMAR logarithm of the minimum angle of resolution, IOP, intraocular pressure, AL axial length, ACD anterior chamber depth, LV lens vault, AV anterior vault
  2. aIndependent t-test for stable subgroup and unstable subgroup
  3. bChi-square test for stable subgroup and unstable subgroup
  4. cMann-Whitney U test for stable subgroup and unstable subgroup