Fig. 2
From: Neurofilament levels, disease activity and brain volume during follow-up in multiple sclerosis
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12974-018-1249-7/MediaObjects/12974_2018_1249_Fig2_HTML.png)
NFL in serum (a) and CSF (b) in healthy controls and patients at baseline. Lines show median and interquartile range. For S-NFL, patient group (n = 41) median was 17 pg/mL (interquartile range 12–22 pg/mL) and healthy control (HC) (n = 22) group median was 11 pg/mL (interquartile range 8–14 pg/mL). For CSF-NFL, patient group median was 895 pg/mL (interquartile range 300–2060 pg/mL) and HC group median was 212 pg/mL (interquartile range 151–289 pg/mL). P- values from Mann-Whitney U test