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. Author manuscript; available in PMC: 2011 Dec 19.
Published in final edited form as: Pediatr Res. 2010 Nov;68(5):409–413. doi: 10.1203/PDR.0b013e3181f2edf0

Table 3.

Comparison of allele frequencies for the 5-HTTLPR in Caucasian controls between studies

Dataset/study
Coriell Weese-Mayer et al. (18) Nonnis Marzano et al. (15) Opdal et al. (16) Haas et al. (19) San Diego
Allele
  S 88 (44.0) 49 (53.3) 172 (57.7) 227 (46.5) 48 (41.1) 93 (46.5)
  L 112 (56.0) 43 (46.7) 128 (42.7) 261 (53.5) 68 (58.6) 107 (53.5)
Fisher’s exact test 0.16 0.005* 0.56 0.72 0.69
HWE 0.08 0.04* 0.90 0.59 0.69

The data represent the number of Caucasian controls and percentage of each allele in each dataset/study.

*

Allele frequency of the controls in the study by Nonnis Marzano et al. (15) was significantly different from the allele frequency in the Coriell control panel. Allele frequency in this population was also out of Hardy-Weinberg Equilibrium (HWE).