Figure e-3Correlation of ventricular and lumbar CSF Aβ42 (n = 55)

1200

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0

0 200 400 600 800 1000 1200

Lu

mb

ar C

SF

Aβ

42 (

pg

/ml)

Ventricular CSF Aβ42 (pg/ml)

Pearson correlation coefficient was used.CSF = cerebrospinal fluid, A42 = amyloid beta 1-42.Patients with both ventricular and lumbar CSF (n = 55) are included.

r = 0.607p < 0.001

r = 0.607p < 0.001