Table 2

Retinal vessel calibre percentiles

Retinal calibreChildParent
P5P10P25P50P75P90P95P5P10P25P50P75P90P95
Central retinal arteriolar equivalent, µm
 Male137.1141.5148.0158.0165.1170.7174.2123.6128.7139.9148.3158.2167.2171.6
 Female143.8147.3153.8162.5169.9175.3179.3128.8134.8143.3152.1162.3169.1174.0
 All139.8144.0151.3160.2167.6173.1178.5128.1134.1143.0151.4161.7169.0173.7
Central retinal venular equivalent, µm
 Male203.3208.9217.7226.7237.4247.4252.7186.8190.9202.1215.4231.5247.6261.5
 Female208.8213.3222.6234.0245.4256.8262.8192.3197.5208.4220.8233.8244.8253.0
 All206.1210.8220.4230.4241.4252.1259.3190.9196.8207.2220.2233.7245.7253.0
Arteriolar–venular ratio
 Male0.610.630.660.690.720.760.780.600.610.640.670.730.780.79
 Female0.610.620.660.690.730.760.780.590.610.650.690.730.770.78
 All0.610.630.660.690.720.760.780.590.610.650.690.730.770.78
  • P, percentile.