Table 3. Overlap of complex abnormalities in Phelan-McDermid Syndrome participants.

Participants with Any Complex Affected				59% (30/51)		Also Complex IV	Also Citrate Synthase
		Only One Affected		77% (24/31)
		Two Affected		19% (6/31)
	TotalAffected	Only ComplexAffected	AlsoComplex I	AlsoComplex II	Also ComplexII + III
Complex I	22	68% (15/22)		0% (0)	14% (3/22)	14% (3/22)	9% (2/22)
Complex II	2	100% (2/2)	0% (0)		0% (0/2)	0% (0/2)	0% (0/2)
Complex II + III	3	0% (0/3)	100% (3/3)	0% (0/3)		0% (0/3)	0% (0/3)
Complex IV	8	63% (5/8)	25% (2/8)	0% (0/8)	0% (0/8)		38% (3/8)
Citrate Synthase	4	0% (0)	50% (2/4)	0% (0)	0% (0)	75% (3/4)