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Table 1 Lumbar puncture studies

From: An integrated multi-study analysis of intra-subject variability in cerebrospinal fluid amyloid-β concentrations collected by lumbar puncture and indwelling lumbar catheter

Sponsor Study Subjects (n) Type of subjects Age (mean (SD)) CSF sample volume per draw (ml)
Lilly L1 19 9 AD, 10 healthy Not obtained Not obtained
L2 10 Healthy 61 (8) 16 ml per draw
L3 34 AD 71.7 (6.4) 10 ml per draw
L4 13 AD 69 (10) 25 ml per draw
L5-A 7 Healthy 52 (6) Not obtained
  1. AD Alzheimer’s disease, CSF cerebrospinal fluid, Lilly Eli Lilly and Company (Indianapolis, IN, USA), SD standard deviation