ACE Genotypes ACE Levels Mean ± S.D Schizophrenia II ID DD Controls II ID DD> 46.2 ± 7.31 68.4 ± 11.2. 88.7 ± 9.26 23.2 ± 5.63 28.2 ± 5.92 34.6 ± 7.35

Table 4: Mean Serum ACE Levels according to ACE I/D genotype.