Observational Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Feb 7, 2015; 21(5): 1614-1620
Published online Feb 7, 2015. doi: 10.3748/wjg.v21.i5.1614
Figure 1
Figure 1 Fasting serum retinol concentration according to relative dose response test results. Values are mean ± standard deviation. ARC (adequate retinol concentration in serum), VAD (vitamin A deficiency in serum), RDR+ (positive relative dose response), RDR- (negative relative dose response test). bP < 0.001 (ARC/RDR- vs VAD/RDR+, one-way ANOVA test).