Table 2. Penetrance estimates for the 15q11.2-q13.3 duplication.

In brackets are shown the 95%CI, calculated with the methods described in [24].

Parental origin of the 15q11-q13 duplication	Frequencies (%) (95%CI)				Estimated penetrance for SZ in %a	Estimated penetrance for DD/ASD/ MCA in %a
	Controls	SZ	DD/ASD/ MCA	General populationa
Maternal	0.0027 (0.001–0.0069)	0.085 (0.057–0.13)	0.087 (0.065–0.12)	0.0069 (0.004–0.013)	12.3 (4.5–31.6)	50.5 (20.5–100)
Paternal	0.0027 (0.001–0.0069)	0.0036 (0.00064–0.02)	0.017 (0.009–0.033)	0.0033 (0.0013–0.008)	1.1 (0.08–15.2)	20.7 (4.4–100)

^a Details for the methods used to calculate these estimates are presented in the Methods section.