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Table 2 Vascular density in superficial capillary plexus (SCP) 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
50.66 (21.04–56.74) 51.83 (21.04–56.74) 51.76 (44.09–55.29)
–*
51.17 (46.58–55.68)
–*
–*
49.53 (35.81–55.01)
–*
0.035*
0.008*
0.085
Wi-sup-hemi
< 7
7–10
11–14
51.01 (25.43–57.60) 51.67 (25.43–56.85) 50.77 (45.27–55.09)
–*
50.99 (46.38–55.60)
–*
–*
49.68 (32.97–57.60)
–*
 < 0.001*
0.049
0.156
Wi-inf-hemi
< 7
7–10
11–14
50.79 (12.29–56.63) 48.99 (12.29–56.63) 50.79 (43.01–55.49)
–*
51.20 (39.01–56.37)
–*
–*
48.47 (39.01–54.03)
–*
0.013*
0.002*
0.034
Fovea
< 7
7–10
11–14
20.10 (± 7.32) 20.34 (± 8.29) 20.20 (± 7.20)
–*
20.31 (± 6.20)
–*
–*
18.26 (± 8.02)
–*
–*
–*
**0.863
Para-fovea
< 7
7–10
11–14
53.12 (5.82–59.68) 51.34 (5.82–59.68) 51.36 (26.58–57.91)
–*
53.88 (44.72–58.61)
–*
–*
51.14 (28.06–59.01)
–*
–*
0.014*
0.089
Para-sup- hemi
 < 7
7–10
11–14
53.79 (10.76–65.85) 51.83 (25.43–65.85) 50.77 (45.27–55.09)
–*
50.99 (46.38–55.60)
–*
–*
49.68 (32.97–56.05)
–*
–*
0.047*
0.274
Para-inf- hemi
 < 7
7–10
11–14
52.79 (0.89–58.97) 50.77 (0.89–50.39) 53.68 (10.95–58.66)
–*
53.15 (44.61–58.73)
–*
–*
50.41 (32.79–58.97)
–*
–*
0.005*
0.060
Perifovea
 < 7
7–10
11–14
51.38 (22.09–57.07) 52.17 (22.09–57.07) 51.56 (47.57–56.02)
–*
51.54 (46.74–56.18)
–*
–*
56.19 (41.03–55.39)
–*
0.024*
0.025*
0.171
Peri-sup- hemi
< 7
7–10
11–14
51.72 (30.82–58.25) 52.43 (30.82–58.25) 51.73 (46.77–55.34)
–*
51.38 (45.85–56.78)
–*
–*
50.43 (40.11–56.79)
–*
0.056*
–*
0.154
Peri-inf-hemi
< 7
7–10
11–14
51.49 (13.32–57.33) 52.14 (13.32–56.54) 51.34 (47.34–56.70)
–*
52.09 (46.33–57.33)
–*
–*
49.67 (40.58–53.99)
–*
0.010*
0.011*
0.131
FAZ 0.28 (0.04–4.20) 0.27 (0.05–1.10) 0.28 (0.10–5.05) 0.29 (0.09–0.40) 0.28 (0.04–4.20) 0.228
  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