Table 9.

Reference values of the Bicaudate-Frontal Index (ventricular index) for Group I.

Age group	10	25	50	75	90	10–90 norm	Mean ±SD
0–12 months	0.300	0.332	0.379	0.430	0.524	0.300–0.524	0.386±0.085
>12–36 months	0.235	0.250	0.293	0.365	0.429	0.235–0.429	0.316±0.088
>3–6 years	0.212	0.231	0.276	0.332	0.419	0.212–0.419	0.291±0.090
>6–9 years	0.222	0.241	0.287	0.321	0.370	0.222–0.370	0.290±0.064
>9–12 years	0.214	0.228	0.275	0.322	0.372	0.214–0.372	0.283±0.063
>12–15 years	0.219	0.233	0.281	0.322	0.376	0.219–0.376	0.285±0.061
>15–18 years	0.242	0.273	0.303	0.342	0.395	0.242–0.395	0.312±0.062