FABP2 and celiac disease: During the same period, plasma iFABP levels decreased significantly from baseline, by 6 months GFD (plasma iFABP at 6mo GFD: 1238 pg/mL [952, 1618] vs newly diagnosed coeliac disease GFD: 2104 pg/mL [1493, 2457] p = 0.045), Table 1.