Plot of log Lac/NAA (N = 69) and FA (N = 66) values and outcome at 2–3 years of age by treatment group.
Two group t-test of means of Lac/NAA on the log scale, in normal outcome/mild disability and moderate/severe disability/deaths groups in Xe + group, P < .001and Xe- groups, P < .001; Two group t-test of means of FA, in normal outcome/mild disability and moderate/severe disability/deaths groups in Xe+, P < .001and Xe- groups, P < 0.001.