Table 4.

Comparison of the variation in Phe (μmol/L) concentrations between regimens 1, 2 and 3 over 8 hourly time periods.

Time	R1 Phe μmol/L	R2 Phe μmol/L	R3 Phe μmol/L
08.00–16.00	−30	−5	−35
16.00–24.00	−5	−40	−65
24.00–08.00	+35	+20	+70