Table 6 Factors associated with the change of PPS VD in glaucoma patients who undergone glaucoma surgery.

From: Microvasculature recovery in lamina cribrosa and peripapillary sclera after glaucoma surgery and its impact on visual field progression

Variables

Univariate

Multivariate

Beta

95% CI

P value

Beta

95% CI

P value

Age, per 1 y older

− 0.034

0.938 to 0.996

0.026

− 0.023

0.943 to 1.013

0.206

Female gender

− 0.405

0.207 to 2.144

0.496

   

Axial length, per 1 mm larger

0.425

1.090 to 2.147

0.014

0.485

1.014 to 2.151

0.001

Central corneal thickness, per 1 μm thicker

0.006

0.990 to 1.023

0.437

   

Preoperative av pRNFLT, per 1 μm thicker

0.009

0.965 to 1.055

0.699

   

Preoperative av mGC/IPLT, per 1 μm thicker

− 0.021

0.934 to 1.027

0.396

   

Preoperative MD of VF, per 1 dB higher

− 0.010

0.932 to 1.052

0.755

   

Preoperative PSD of VF, per 1 dB higher

− 0.036

0.865 to 1.076

0.516

   

Preoperative IOP, per 1 mmHg higher

0.008

0.933 to 1.090

0.838

   

Postoperative IOP, per 1 mmHg higher

0.080

0.917 to 1.280

0.346

   

Preoperative laminar VD, per 1% higher

− 0.017

0.915 to 1.057

0.645

   

Change of laminar VD, per 1% higher

− 0.061

0.866 to 1.023

0.255

   

Image quality score

0.085

0.790 to 1.300

0.620

   

Follow-up period, year

− 0.015

0.916 to 1.004

0.729

   
  1. CI, confidence interval; av, average; pRNFLT, peripapillary retinal nerve fiber layer thickness; mGC/IPLT, macular ganglion cell-inner plexiform layer thickness; IOP, intraocular pressure; VF, visual field; MD, mean deviation; PSD, pattern standard deviation; dB, decibel; PPS, peripapillary sclera; VD, vessel density.
  2. Factors with P < 0.2 in univariate analysis were included in multivariate analysis.
  3. Factors with statistical significance are shown in bold.
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