Ethnicity Influences Corpus Callosum Dimensions

Table 1

Dimensions of corpus callosum in Iranian male population (Turkmen and native Fars) in north of Iran.

	Mean	95% CI
Age
Fars ()	36.4	33.4–39.5
Turkmen ()	37.3	33.6–40.96
Width of rostrum
Fars	11.08	10.58–11.58
Turkmen	11.55	11.04–12.06
Width of splenium
Fars	11.06	10.70–11.43
Turkmen	11.77	11.25–12.30
Width of body
Fars	6.38	6.08–6.68
Turkmen	6.87	6.54–7.21
Anterior to posterior length
Fars	70.21	68.85–71.58
Turkmen	74.05	72.43–75.68
Height
Fars	25	24.28–25.74
Turkmen	25.75	24.79–26.71
Fars	0.109	0.072–0.146
Turkmen	0.091	0.084–0.098
Fars	0.256	0.244–0.268
Turkmen	0.27	0.252–0.287
Evans index
Fars	0.3	0.295–0.306
Turkmen	0.314	0.308–0.320

(difference between Fars and Turkmen males); (difference between Fars and Turkmen males); (difference between Fars and Turkmen males).