Lactulose/mannitol test: an ideal screen for celiac disease.

Abstract A lactulose/mannitol (LaMa) test was compared with a standard cellobiose/mannitol test (CeMa) in 17 patients with newly diagnosed celiac disease and 12 healthy controls. The mean LaMa test was 0.163 (SEM 0.076) in celiacs and 0.016 (SEM 0.002) in controls. The mean CeMa test was 0.132 (SEM 0.024) in celiacs and 0.014 (SEM 0.002) in controls (p