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Table 2 Microvascular parameters measurements before and after VEGF treatment

From: Microvascular comparison in younger and older patients with retinal vein occlusion analyzed by OCT angiography

 

Younger group

(n = 20)

Older group

(n = 46)

P

VD of SCP (Whole Image)

 Baseline

42.6 ± 3.4

40.4 ± 4.8

0.112

 3 months after treatment

42.9 ± 4.7

39.3 ± 4.5

0.007*

 12 months after treatment

43.8 ± 5.0

40.3 ± 3.4

0.005*

VD of SCP (ParaFovea)

 Baseline

44.9 ± 4.1

42.4 ± 5.1

0.089

 3 months after treatment

44.8 ± 5.0

41.4 ± 4.8

0.017*

 12 months after treatment

46.0 ± 5.7

42.4 ± 3.9

0.010*

VD of DCP (Whole Image)

 Baseline

42.9 ± 4.4

41.4 ± 5.2

0.312

 3 months after treatment

42.6 ± 5.5

40.7 ± 5.9

0.253

 12 months after treatment

45.8 ± 5.0

42.1 ± 4.4

0.011*

VD of DCP (ParaFovea)

 Baseline

44.3 ± 4.9

43.4 ± 5.7

0.561

 3 months after treatment

44.0 ± 6.2

42.8 ± 6.1

0.493

 12 months after treatment

46.9 ± 5.4

44.2 ± 5.0

0.090

FAZ size

 Baseline

0.33 ± 0.13

0.41 ± 0.22

0.168

 3 months after treatment

0.33 ± 0.13

0.42 ± 0.16

0.036*

 12 months after treatment

0.34 ± 0.14

0.47 ± 0.18

0.012*

FAZ perimeter

 Baseline

2.35 ± 0.48

2.70 ± 0.79

0.094

 3 months after treatment

2.39 ± 0.41

2.76 ± 0.62

0.027*

 12 months after treatment

2.30 ± 0.70

2.95 ± 0.72

0.004*

  1. VD vessel density; SCP superficial capillary plexus; DCP deep capillary plexus; FAZ foveal avascular zone
  2. *P < 0.05