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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