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Table 2 Phase contrast MRI parameters in various age groups

From: Is cerebral spinal fluid flow associated with body mass index and head circumference in healthy children? A phase contrast magnetic resonance imaging study

Group

Peak velocity (cm/sn)

Mean velocity (cm/sn)

Forward flow volume (ml)

Reverse flow volume (ml)

Net volume (ml)

Mean aqueductal area (mm2)

1 (age: 1-12 months, n = 26)

4.90 ± 2.87

0.66 ± 0.81

0.010 ± 0.008ǂ

0.010 ± 0.019

0.004 ± 0.004§

1.87 ± 0.97

2 (age: 13-120 months, n = 79)

5.99 ± 2.97*

0.76 ± 0.60

0.016 ± 0.011ǂ

0.012 ± 0.017

0.009 ± 0.016§

1.95 ± 0.86

3 (age: 121-202 months, n = 32)

4.66 ± 2.20*

0.80 ± 0.54

0.018 ± 0.019ǂ

0.010 ± 0.012

0.009 ± 0.010§

2.06 ± 1.16

  1. *Statistically significant; p = 0.027
  2. ǂStatistically significant; p = 0.039
  3. §Statistically significant; p = 0.029