Table 4. Effect sizes of group-related comparison with bilateral, left and right volume of each stucture.

	Bilateral volume		Left volume		Right volume
	Hedge's g	s.e.	Hedge's g	s.e.	Hedge's g	s.e.
Hippocampus
BS	−0.38	0.24	−0.21	0.24	−0.39	0.24
ZH1	−0.36	0.52	−0.14	0.51	−0.47	0.52
ZH2	−0.38	0.31	−0.52	0.31	−0.13	0.31
Thalamus
BS	−0.61	0.25	−0.52	0.24	−0.64	0.25
ZH1	−0.57	0.52	−0.26	0.51	−0.73	0.52
ZH2	−0.60	0.31	−0.69	0.32	−0.45	0.31
Caudate
BS	0.17	0.24	0.18	0.24	0.14	0.24
ZH1	−0.40	0.52	−0.26	0.51	−0.50	0.52
ZH2	−0.12	0.31	−0.34	0.31	0.11	0.31
Putamen
BS	0.22	0.24	0.18	0.24	0.25	0.24
ZH1	0.17	0.51	0.28	0.51	0.04	0.51
ZH2	−0.38	0.31	−0.58	0.31	−0.14	0.31
Pallidum
BS	−0.05	0.24	0.04	0.24	−0.13	0.24
ZH1	0.04	0.51	−0.13	0.51	0.19	0.51
ZH2	−0.16	0.31	−0.07	0.31	−0.20	0.31
Amygdala
BS	0.21	0.24	0.17	0.24	0.17	0.24
ZH1	−0.28	0.51	−0.01	0.51	−0.40	0.52
ZH2	−0.35	0.31	−0.30	0.31	−0.29	0.31
Accumbens
BS	−0.02	0.24	0.10	0.24	−0.13	0.24
ZH1	−0.56	0.52	−0.29	0.51	−0.58	0.52
ZH2	−0.14	0.31	0.04	0.31	−0.28	0.31

Abbreviations: BS, Basel; ZH, Zürich.

BS and ZH negative effect sizes represent smaller volumes for clinical high-risk individuals than healthy controls. Positive effect sizes represent larger volumes for clinical high-risk individuals than healthy controls.