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Table 4 Choriocapillaris (CC) vascular density of normal children in different age groups

From: Quantification of macular perfusion in healthy children using optical coherence tomography angiography

Groups

VD/Reference group (median, %)

Total (108 eyes)

< 7 (26 eyes)

7–10 (26 eyes)

11–14 (35 eyes)

> 14 (21 eyes)

P-value Kruskal–Wallis test

WI

< 7

7–10

11–14

70.75 (22.76–78.90)

69.00 (22.76–74.80)

73.40 (63.68–77.41)

0.019*

73.43 (67.26–78.90)

0.001*

–*

72.89 (62.68–76.76)

–*

–*

0.012*

0.001

WI-sup-hemi

< 7

7–10

11–14

73.01 (40.48–79.62)

70.07 (40.48–76.05)

73.44 (64.22–77.80)

< 0.17*

74.20 (66.73–79.62)

< 0.001*

–*

73.29 (63.72–78.25)

–*

–*

0.019*

0.001

WI-inf-hemi

< 7

7–10

11–14

72.40 (0.92–78.36)

68.28 (0.92–74.91)

73.72 (62.78–77.36)

0.027*

73.03

(64.82–78.20)

0.003*

–*

72.72

(56.39–75.36)

–*

–*

0.010*

0.001

Fovea

 < 7

7–10

11–14

75.67 (21.48–83.42)

76.02 (21.48–80.80)

77.43 (39.89–83.42)

–*

75.49 (66.76–80.23)

–*

–*

73.95 (31.93–78.89)

–*

0.014*

0.004*

**0.417

Para-fovea

< 7

7–10

11–14

69.76 (9.61–80.95)

68.18 (9.61–76.43)

70.46 (57.64–80.22)

–*

72.69 (61.20–80.95)

0.017*

–*

69.43 (58.49–78.39)

–*

–*

0.005*

0.013

Para-sup-hemi

< 7

7–10

11–14

70.23 (18.11–80–51)

69.50 (18.11–76.25)

69.99

(58.47–79.53)

–*

72.76 (60.24–80.51)

0.037*

–*

69.18 (56.53–77.59)

–*

–*

0.019*

0.042

Para-inf-hemi

< 7

7–10

11–14

70.21 (1.10–81.38)

67.50 (1.10–76.61)

70.73 (46.22–80.90)

–*

71.87 (62.16–81.38)

0.011*

–*

69.50 (51.96–79.19)

–*

–*

0.007*

0.013

Perifovea

< 7

7–10

11–14

73.47 (22.92–80.03)

69.38 (22.92–75.31)

73.76 (63.22–77.87)

0.017*

74.07 (67.06–80.03)

0.001*

–*

73.72 (63.63–78.11)

–*

–*

0.048*

0.001

Peri-sup-hemi

< 7

7–10

11–14

73.13

(44.91–78.94)

70.88

(44.91–76.61)

73.42

(63.97–77.93)

0.012*

74.79

(44.10–61.95)

< 0.001*

–*

73.77

(65.70–78.94)

–*

–*

0.027*

0.001

Peri-inf-hemi

< 7

7–10

11–14

73.28 (0.81–79.04)

68.86 (0.81–75.66)

74.29 (62.47–77.80)

< 0.025*

74.10 (65.33–79.04)

0.003*

–*

74.12 (57.65–77.29)

–*

–*

0.048*

0.002

  1. In the bolded values, there are significant differences in four groups (Kruskal-Wallis test) and two by two analysis of the variables in the study groups (Mann Whitney U test and post hoc analysis (Dunnett's test))
  2. *Mann–Whitney test
  3. **Kruskal–Wallis Test