Table 2.

Medians and inter-quartile ranges of MIPQ-S scores for the Cornelia de Lange and fragile X syndrome groups at T1, T2 and T3

	Median (inter-quartile range)		U	p value
	CdLS (n = 44)	FXS (n = 95)
Time 1
Mood	19.50 (16.73–21.00)	22.00 (20.00–23.00)	1144.50	< 0.001
Interest and pleasure	15.00 (12.00–18.00)	18.00 (14.00–20.00)	1571.00	ns
Time 2*
Mood	18.00 (17.00–22.00)	21.00 (21.00–23.00)	987.00	0.003
Interest and pleasure	17.00 (12.00–19.00)	17.00 (14.00–19.00)	1325.00	ns
Time 3
Mood	19.00 (17.00–21.00)	22.00 (20.00–23.00)	1064.50	< 0.001
Interest and pleasure	15.00 (11.00–18.00)	17.00 (13.82–19.00)	1537.50	ns

n with missing data: CdLS = 7, FXS = 14; ns = not significant