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Table 2 Changes in intracranial pressure resulting from altering position

From: Evaluation of diurnal and postural intracranial pressure employing telemetric monitoring in idiopathic intracranial hypertension

Position change

ICP change mean (SD) (mmHg)

Mean percentage change (%)

p= (paired t-test)

Supine to LP

2.8 (4.0)

13%

0.028*

Supine to standing

-10.9 (4.2)

-51%

0.0001****

Sitting to standing

0.2 (3.8)

2%

0.82

Standing vs. ambulatory recording

-1.3 (1.1)

3%

0.39

  1. ICP indicates intracranial pressure, SD indicates standard deviation, LP indicates lateral decubitus position, * indicates p = < 0.05, **** indicates p = < 0.0001