Age group   Endo-R1 Ecto-R1 Endo-R2 Ecto-R2 Endo-L1 Ecto-L1 Endo- L2 Ecto-L2   21-30 N 39 39 39 39 39 39 39 39 mean 1.33 0.97 1.3 0.94 1.23 0.97 1.2 0.94   31-40 N 10 10 10 10 10 10 10 10 mean 2.5 1.8 2.5 1.8 2.6 1.9 2.6 1.9   41-50 N 21 21 21 21 21 21 21 21 mean 2.43 1.23 2.33 1.23 2.42 1.48 2.47 1.38   Total N 70 70 70 70 70 70 70 70 mean 1.71 1.17 1.78 1.15 1.78 1.24 1.78 1.21

Table 3: Endocranial and ectocranial closure of lambdoid suture.