From: Gastric emptying assessment in critically ill patients with feed intolerance; comparison of 13C octanoic acid, paracetamol and 3-O-methylglucose absorption tests
13C GEC
OMG AUC60
0.675*
OMG C60
0.758*
PA AUC60
0.678*
PA C60
0.590*
0.534*
0.553*