Outer Macular Microvascular Supply in Retinitis Pigmentosa Examined using Optical Coherence Tomography Angiography
Table 2
Vessel density and macular retinal thickness in retinitis pigmentosa patients.
Control
RP
value
RP with macular defect
RP with macular intact
Control vs. intact
Control vs. defect
Defect vs. intact
value
value
value
SCP
Whole
53.51 ± 1.92
32.98 ± 3.46
<0.001
31.87 ± 3.16
34.32 ± 3.66
<0.001
<0.001
0.262
Fovea
29.28 ± 2.73
12.19 ± 8.22
<0.001
14.38 ± 5.84
9.56 ± 10.51
<0.001
<0.001
0.359
Parafovea
55.92 ± 2.44
35.60 ± 4.30
<0.001
34.04 ± 3.98
37.16 ± 4.42
<0.001
<0.001
0.275
Tempo
54.53 ± 1.76
36.34 ± 6.89
<0.001
36.52 ± 6.36
36.16 ± 8.14
<0.001
<0.001
0.094
Superior
56.85 ± 2.22
35.82 ± 6.40
<0.001
34.04 ± 7.81
37.60 ± 4.82
<0.001
<0.001
0.411
Nasal
55.18 ± 2.28
36.52 ± 3.14
<0.001
36.02 ± 3.60
37.12 ± 2.76
<0.001
<0.001
0.589
Inferior
56.50 ± 2.39
33.81 ± 9.23
<0.001
30.50 ± 6.72
37.78 ± 10.97
<0.001
<0.001
0.24
DCP
Whole
57.29 ± 6.63
37.20 ± 8.64
<0.001
36.55 ± 1.94
37.98 ± 13.44
<0.001
<0.001
0.801
Fovea
28.71 ± 5.82
23.64 ± 7.91
0.03
21.26 ± 9.66
26.50 ± 4.56
0.426
0.015
0.296
Parafovea
61.19 ± 2.18
42.31 ± 4.29
<0.001
38.96 ± 1.58
45.66 ± 3.29
<0.001
<0.001
0.003
Tempo
60.20 ± 1.73
41.43 ± 4.78
<0.001
38.34 ± 4.52
44.52 ± 2.70
<0.001
<0.001
0.03
Superior
44.04 ± 5.49
62.34 ± 2.07
<0.001
40.12 ± 4.69
47.96 ± 2.72
<0.001
<0.001
0.012
Nasal
61.22 ± 2.19
41.16 ± 5.72
<0.001
38.73 ± 5.28
44.08 ± 8.23
<0.001
<0.001
0.127
Inferior
61.52 ± 2.26
40.93 ± 6.56
<0.001
36.55 ± 4.67
46.18 ± 4.11
<0.001
<0.001
0.006
CRT
Fovea
239.93 ± 9.59
196.36 ± 32.11
<0.001
180.50 ± 35.25
215.40 ± 13.90
<0.001
<0.001
0.068
Parafovea
307.31 ± 9.29
247.70 ± 29.56
<0.001
236.40 ± 23.89
259.00 ± 32.80
<0.001
<0.001
0.248
Temporal
296.59 ± 13.02
233.90 ± 30.68
<0.001
217.20 ± 21.74
250.60 ± 30.78
<0.001
<0.001
0.083
Superior
312.00 ± 8.43
246.40 ± 34.68
<0.001
227.20 ± 23.76
265.60 ± 34.92
<0.001
<0.001
0.077
Nasal
310.07 ± 10.30
261.64 ± 33.36
<0.001
263.50 ± 36.51
259.40 ± 33.23
<0.001
<0.001
0.851
Inferior
287.80 ± 76.61
248.55 ± 33.40
0.124
238.83 ± 28.05
260.20 ± 38.64
0.147
0.453
0.315
SCP means superficial capillary plexuses, DCP means deep capillary plexuses, CRT means central retinal thickness, a for independent t-test, and b for LSD.
