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. 2019 Feb 8;114(4):648–655. doi: 10.14309/ajg.0000000000000140

Figure 2.

Figure 2.

Fecal markers of patients with possible and probable CVID. (a) Fecal calprotectin levels in patients with probable CVID (n = 96, white bar) and in patients with possible CVID (n = 25, black bar). (b) Fecal α1-antitrypsin levels in patients with probable CVID (n = 96, white bar) and in patients with possible CVID (n = 19, black bar). Upper limits of laboratory reference ranges are marked with a dotted line: for fecal calprotectin 100 μg/g and for fecal α1-antitrypsin 268 μg/g. Results are shown for each bar (a and b) as average ± SEM. For statistical comparison between patients with possible and probable CVID, Mann-Whitney U test was used. **P < 0.0001; *P < 0.05. CVID, common variable immunodeficiency.