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. 2019 Sep 13;77(1):58–64. doi: 10.1001/jamaneurol.2019.3238

Figure 1. Boxplots of Serum Neurofilament Light Chain (sNfL) Levels in Presymptomatic and Symptomatic Case Patients With Multiple Sclerosis (MS) and Matched Control Individuals.

Figure 1.

The figure illustrates levels of sNfL in cases with MS with 1 presymptomatic and 1 postonset measurement (A) and with repeated presymptomatic measurements (B). Log-transformed sNfL levels were compared using paired 2-tailed t tests.