Table 5 Correlation between optical coherence tomography and optical coherence tomography angiography parameters and final best-corrected visual acuity.

From: Comparison of retinal layer thickness and microvasculature changes in patients with diabetic retinopathy treated with intravitreous bevacizumab vs panretinal photocoagulation

 

Coefficient

P value

OCT parameters

Baseline CMT

0.064

0.593

 CMT at 1 month

0.035

0.767

 CMT at 3 months

0.063

0.597

 CMT at 6 months

0.091

0.442

Baseline RNFL

0.286

0.014

 RNFL at 1 month

0.514

 < 0.001

 RNFL at 3 months

0.327

0.005

 RNFL at 6 months

0.454

 < 0.001

Baseline GCL

0.042

0.726

 GCL at 1 month

0.167

0.159

 GCL at 3 months

0.160

0.175

 GCL at 6 months

0.191

0.105

Baseline IPL

0.219

0.063

 IPL at 1 month

0.334

0.004

 IPL at 3 months

0.286

0.014

 IPL at 6 months

0.337

0.004

OCTA parameters

Baseline VD of SCP

 − 0.136

0.251

 VD of SCP at 1 month

0.035

0.771

 VD of SCP at 3 months

0.047

0.690

 VD of SCP at 6 months

0.108

0.368

Baseline VD of DCP

 − 0.201

0.088

 VD of DCP at 1 month

0.068

0.576

 VD of DCP at 3 months

 − 0.002

0.986

 VD of DCP at 6 months

0.140

0.244

  1. Values in boldface (P < 0.05) are statistically significant.
  2. OCT optical coherence tomography, CMT central macular thickness, RNFL retinal nerve fiber layer, GCL ganglion cell layer, IPL inner plexiform layer, OCTA optical coherence tomography angiography, VD vessel density, SCP superficial capillary plexus, DCP deep capillary plexus.
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