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Table 1 Statistical Summary of the Pre, During, and Post LP

From: Characteristics of the cerebrospinal fluid pressure waveform and craniospinal compliance in idiopathic intracranial hypertension subjects

Measurement (during LP)

N

(R1)

(R2)

p value

Compliancea (mL/mmHg)

n = 15

0.70 ± 0.34 (range 0.28–1.5)

3.39 ± 1.84 (range 1.05–7.69)

< 0.0001

Measurement (pre/post LP)

N

Pre-LP

Post-LP

p value

CSFP (mmHg)

n = 18

33.11 ± 5.78 (range 20–42)

13.73 ± 2.44 (range 10–17)

< 0.0001

CPA (mmHg)

n = 12

8.08 ± 2.48 (range 4.37–13.66)

1.29 ± 0.64 (range 0.54–2.29)

< 0.0001

CPP (mmHg)

n = 18

53.22 ± 14.45 (range 30–87)

72.33 ± 10.58 (range 59–103)

< 0.0001

  1. aOnly subjects with two compliance regions identified by Joinpoint were used in the mean calculation
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Fluids and Barriers of the CNS

ISSN: 2045-8118