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Table 1 Description of proposed groups of radiological morphology, including their respective frequencies, percentages, mean EI and SD

From: Childhood hydrocephalus – is radiological morphology associated with etiology

Groups of radiological morphology

Frequency (%)

Mean EI (SD)

A1 - Symmetry in the AP and LR axes, with external hydrocephalus

40 (36.4%)

0.337 (0.055)

A2 - Symmetry in the AP and LR axes without external hydrocephalus, moderate dilation

14 (12.7%)

0.340 (0.052)

A3 - Predominant severe dilation, symmetry in the AP and LR axes

12 (10.9%)

0.616 (0.060)

B1 – Predominant dilation of the occipital horns

20 (18.2%)

0.431 (0.078)

B2 - Predominant dilation of the frontal horns

3 (2.7%)

0.628 (0.052)

C – Predominant asymmetry in the LR axis

16 (14.5%)

0.498 (0.103)

X – Not categorized

5 (4.5%)

 

Total

110 (100%)

 
  1. AP: Anterio-posterior, LR: Left-to-right, EI: Evan’s index, SD: Standard deviation.