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Table 5 Mean IQ values and associations by SNP and genotype

From: Association between the DTNBP1 gene and intelligence: a case-control study in young patients with schizophrenia and related disorders and unaffected siblings

  Mean FSIQ (SD)   
  Non-carriers Carriers Z-statistic Adjusted p-value
rs 2619539 91.02 (16.02) 94.52 (15.92) 1.02 0.308
rs 3213207 94.16 (15.96) 91.30 (16.06) -1.60 0.109
rs 1011313 93.50 (16.37) 93.29 (13.23) 1.29 0.198
rs 2619528 96.36 (15.21) 89.95 (16.30) -1.65 0.098
rs 760761 96.79 (15.18) 88.77 (16.02) -2.23 0.026
rs 2619522 96.74 (15.29) 89.23 (15.97) -2.25 0.025
rs 2619538 88.52 (16.57) 95.04 (15.54) 2.08 0.038
  1. Observed mean FSIQ values of the total population (patients, siblings and controls) with standard deviation (SD) are given in 'carriers' versus the 'non-carriers' in which 'carriers' represent the carriers of the low-frequency allele. P-values are given for the comparison of FSIQ values between genotype groups (carriers and non-carriers) using ANOVA with GEE adjusting for age, gender, ethnicity, family membership, and educational level.