Concordance Rates For Schizophrenia From Twin Studies

Study

Kringlen6

Fischer7

Shields & Gottesman4 Tienari8

Pollin et al.9

Cardno et al.10

Monozygotic

Dizygotic

Definition Concordance Rate

Figure 2.6 Concordance rates for schizophrenia in studies of monozygotic and dizygotic twins. The implication of the lack of 100% concordance in monozygotic twins is that there must be environmental etiological factors involved in the genesis of schizophrenia. Data from references 4-10

Figure 2.6 Concordance rates for schizophrenia in studies of monozygotic and dizygotic twins. The implication of the lack of 100% concordance in monozygotic twins is that there must be environmental etiological factors involved in the genesis of schizophrenia. Data from references 4-10

Percentage

Relationship schizophrenic

Parent

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