Table 2.

Descriptive statistics of all social measurements for PKU and control group, per age group

		PKU < 12 years	Controls < 12 years	PKU 12–17 years	Controls 12–17 years	PKU ≥ 18 years	Controls ≥ 18 years
		(n = 26)	(n = 27)	(n = 13)	(n = 15)	(n = 56)	(n = 53)
ANT
	FR, % errors	17.0 ± 8.0	15.0 ± 8.4	9.2 ± 4.5	6.8 ± 4.4	7.1 ± 3.5	5.6 ± 3.4
	FR, reaction time	1965 ± 493	1716 ± 454	1221 ± 324	1129 ± 174	1197 ± 272	1133 ± 221
	IFE, % errors	10.7 ± 6.2	9.6 ± 6.8	8.6 ± 4.9	6.3 ± 2.5	5.7 ± 3.1	4.6 ± 2.5
	IFE, reaction time	1304 ± 276	1082 ± 263	844 ± 113	807 ± 103	874 ± 182	796 ± 157
P&P
	SCST	130.1 ± 23.7	138.3 ± 13.5
	RME			22.4 ± 3.4	23.2 ± 2.9	24.4 ± 3.9	26.1 ± 3.6
	FPT			49.6 ± 5.0	54.6 ± 2.8	49.2 ± 5.1	51.3 ± 4.6
Questionnaires
	SSRS	59.6 ± 11.1	61.3 ± 9.8	60.6 ± 12.3	67.5 ± 7.2
	SSC					140.8 ± 17.2	149.9 ± 8.6

ANT Amsterdam neuropsychological tasks, P&P paper-and-pencil tasks, Q questionnaires, FR face recognition, IFE identification of facial emotions, SCST social cognitive skills task, RME reading the mind in the eyes, FPT faux-pas recognition test, SSRS social skills rating system, SSC social skills checklist

Note 1. Values are given as mean absolute score and standard deviation

Note 2. P&P and Q: higher score indicates better outcome