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Table 3 DCP vessel density (%) parameters of OCTA and FAZ And Flow Area

From: Evaluation of optical coherence tomography angiography parameters in patients treated with Hydroxychloroquine

Variables

 

SLE (n = 40)

RA (n = 21)

All patients (n = 61)

Whole image

Normal mfERG

42.71 ± 10.59

53.76 ± 6.10

45.86 ± 10.60

Abnormal mfERG

39.99 ± 7.46

40.44 ± 9.12

40.16 ± 8.17

P-Value©

0.347

0.009*

0.023*

Superior Hemi

Normal mfERG

42.31 ± 10.36

52.9 ± 5.36

45.33 ± 10.41

Abnormal mfERG

39.81 ± 7.61

40.64 ± 9.11

40.12 ± 8.10

P-Value©

0.387

0.012*

0.034*

Inferior Hemi

Normal mfERG

43.07 ± 11.21

54.72 ± 6.71

46.40 ± 11.35

Abnormal mfERG

40.16 ± 7.67

40.26 ± 10.30

40.20 ± 8.62

P-Value©

0.335

0.009*

0.020*

Fovea

Normal mfERG

29.67 ± 8.87

35.7 ± 5.87

31.39 ± 8.25

Abnormal mfERG

30.61 ± 9.52

26.49 ± 12.52

29.07 ± 10.79

P-Value©

0.7590

0.133

0.447

ParaFovea

Normal mfERG

49.25 ± 9.92

57.96 ± 2.94

51.74 ± 9.32

Abnormal mfERG

49.56 ± 6.70

46.24 ± 9.70

48.32 ± 8.01

P-Value©

0.906

0.018*

0.187

PeriFovea

Normal mfERG

42.71 ± 12.10

55.94 ± 6.60

46.44 ± 12.32

Abnormal mfERG

39.88 ± 8.48

41.14 ± 10.3

40.36 ± 9.09

P-Value©

0.391

0.008*

0.031*

FAZ (.mm2)

Normal mfERG

0.38 ± 0.41

0.27 ± 0.05

0.35 ± 0.35

Abnormal mfERG

0.36 ± 0.18

0.31 ± 0.18

0.34 ± 0.18

P-Value©

0.784

0.748

0.899

Flow Area of Outer Retina (mm2)

Normal mfERG

1.40 ± 0.58

0.93 ± 0. 52

1.27 ± 0.59

Abnormal mfERG

1.17 ± 0.56

1.44 ± 0.46

1.27 ± 0.53

P-Value©

0.235

0.060

0.944

Flow Area of Choriocapillaris (mm2)

Normal mfERG

2.16 ± 0.11

2.27 ± 0.06

2.19 ± 0.11

Abnormal mfERG

2.15 ± 0.12

2.08 ± 0.17

2.12 ± 0.15

P-Value©

0.693

0.002*

0.050*

  1. *P value < 0.05 and analysis using by independent t-test
  2. SLE Systemic lupus erythematosus, RA Rheumatoid arthritis, mfERG Multifocal electroretinography, OCTA Optical coherence tomography angiography, DCP Deep capillary plexus, FAZ Foveal avascular zone