Table 5 Neurocognitive functions of the schizophrenics and distribution by genotypes of rs7990916

 Digit sequencing task

15.02 ± 9.14

15.32 ± 9.64

0.642

 Category instances

28.85 ± 12.76

27.35 ± 11.95

0.087

 Controlled oral word association test

9.44 ± 5.83

9.02 ± 5.58

0.296

 List learning

22.75 ± 14.37

21.22 ± 13.66

0.122

 Token motor task

47.63 ± 16.88

49.23 ± 17.31

0.176

 Tower of London

7.83 ± 6.60

6.74 ± 5.68

0.014

 Symbol coding

21.83 ± 13.21

19.70 ± 13.76

0.022