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(a) Serum lipocalin 2 (LCN2) levels in ulcerative colitis (UC) and Crohn's disease (CD) patients (both active and inactive disease) versus controls. *P < 0·05, two-sided versus controls. (b) Serum LCN2 level in endoscopic verified active UC, n = 22 and inactive UC, n = 16 versus healthy controls, n = 23. *P < 0·05 two-sided, versus inactive UC. For difference between active UC and controls, P = 0·0550. In both figures mean ± standard deviation is shown.
