case_images: PMC6201569_01
case_images: Serum C4 and C1-INH plasma level between 2009 and 2017
case_images: 13223_2018_274_Fig1_HTML.jpg
case_images: PMC6201569_01_13223_2018_274_Fig1_HTML.jpg
case_images: Fig1
case_images: 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.