Normal

Neonatal

Infantile

Child

Adult

NAA/Cho

0.67 ± 0.17

1.56 ± 0.67

3.43 ± 1.04

2.37 ± 0.40

Cho/Cr

1.27 ± 0.40

0.84 ± 0.21

0.49 ± 0.16

1.05 ± 0.23