PMC6201569_01
Serum C4 and C1-INH plasma level between 2009 and 2017
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PMC6201569_01_13223_2018_274_Fig1_HTML.jpg
Fig1
C1 inhibitor (C1INH) in plasma showed significantly decreased level at all measurements, with low activity ranging from 58 to 4% and constantly low C4 (Fig. 1). Complement fraction C1q plasma level was measured twice and had normal value.