| |
Control (G0)
|
DR With normal BCVA (G1)
|
DR with decreased BCVA (G2)
|
P All groups
|
P G0 vs. G1
|
P G0 vs. G2
|
P G1 vs. G2
|
|---|
|
Microvascular parameters
|
|
VD SRCP
|
0.056 ± 0.004
|
0.054 ± 0.005
|
0.052 ± 0.006
|
0.004
|
0.038
|
0.002
|
0.128
|
|
VD DRCP
|
0.072 ± 0.005
|
0.069 ± 0.006
|
0.062 ± 0.007
|
< 0.001
|
0.007
|
< 0.001
|
< 0.001
|
|
FAZ area (mm2)
|
0.325 ± 0.132
|
0.342 ± 0.117
|
0.401 ± 0.097
|
0.019
|
0.466
|
0.008
|
0.196
|
|
Retinal layer thickness
|
|
RNFL thickness (μm)
|
28.46 ± 2.88
|
30.04 ± 3.14
|
29.04 ± 3.64
|
0.214
|
0.082
|
0.272
|
0.849
|
|
GCL-IPL thickness (μm)
|
72.40 ± 5.59
|
73.62 ± 4.82
|
70.24 ± 6.21
|
0.112
|
0.653
|
0.182
|
0.033
|
|
INL thickness (μm)
|
17.52 ± 3.66
|
17.10 ± 3.41
|
17.10 ± 3.82
|
0.852
|
0.706
|
0.572
|
0.943
|
|
OPL thickness (μm)
|
10.15 ± 1.49
|
10.89 ± 2.51
|
10.60 ± 2.36
|
0.240
|
0.108
|
0.217
|
0.666
|
|
Total retinal thickness (μm)
|
239.46 ± 21.01
|
240.69 ± 16.13
|
236.31 ± 19.14
|
0.663
|
0.866
|
0.538
|
0.680
|
- DM diabetes mellitus; BCVA best-corrected visual acuity; SRCP superficial retinal capillary plexus; DRCP deep retinal capillary plexus; VD vessel density; FAZ foveal avascular zone; RNFL retinal nerve fiber layer; GCL-IPL ganglion cell layer plus inner plexiform layer; INL inner nuclear layer; OPL outer plexiform layer
- Bold font indicates significance of P < 0.05
