Table 3.

Changes in natural protein at baseline, 3- months and 6-months.

Natural Protein and Protein Equivalent Intake (n = 17) (Median [P25–P75])
	Baseline	3-Months Post Sapropterin	6-Months Post Sapropterin	Friedman Test (p Value < 0.05)
Natural protein (g/day)	11 [9–14]	25 [15–34]	30 [23–38]	<0.001
Protein equivalent (g/day) from protein substitute	60 [57–60]	55 [39–60]	60 [40–60]	0.002