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. 2006 Nov;209(5):637–654. doi: 10.1111/j.1469-7580.2006.00644.x

Table 4.

Neuro- and basicranial components. Mean centroid sizes of the age classes and their 95% confidence intervals

Midline cranial base lateral cranial floor neurocranium



Age group Years mean 95%– 95%+ mean 95%– 95%+ mean 95%– 95%+
G1 2–3 years 1.50 1.46 1.54 4.37 4.29 4.45 15.09 14.74 15.39
G2 4–5 years 1.58 1.55 1.60 4.62 4.57 4.67 15.55 15.39 15.70
G3 6–7 years 1.69 1.66 1.71 4.71 4.67 4.76 15.93 15.79 16.07
G4 8–9 years 1.70 1.66 1.73 4.72 4.67 4.77 16.10 15.96 16.24
G5 10–11 years 1.77 1.74 1.79 4.84 4.79 4.89 16.31 16.16 16.47
G6 12–13 years 1.82 1.79 1.84 4.91 4.87 4.95 16.41 16.24 16.57
G7 14–15 years 1.90 1.87 1.93 4.97 4.93 5.02 16.51 16.32 16.68
G8 16–17 years 1.93 1.90 1.96 5.04 4.98 5.09 16.64 16.47 16.81
G9 18 and more 1.92 1.88 1.97 5.09 5.04 5.14 16.73 16.54 16.91