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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