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This figure shows the correlation of ventricular and lumbar cerebrospinal fluid Aβ42 levels in 55 patients. The Pearson correlation coefficient was used to analyze the data. CSF indicates cerebrospinal fluid, and Aβ42 refers to amyloid beta 1-42. Patients with data on both ventricular and lumbar CSF are included in the study.
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Figure e-3 Correlation of ventricular and lumbar CSF Aβ42 (n = 55) r = 0.607 p < 0.001 r = 0.607 p < 0.001 1200 1000 800 Lumbar CSF Aβ42 (pg/ml) 600 400 200 0 1200 0 400 800 600 1000 200 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.