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. Author manuscript; available in PMC: 2012 Jul 23.
Published in final edited form as: Biol Psychiatry. 2008 Oct 28;65(1):93–96. doi: 10.1016/j.biopsych.2008.08.033

Table 2. Genotype Frequency ORs of Transsexualism Among ERβ and CYP19 Genes.

Locus Repeat Genotype Transsexuals n = 112 (%) Control Subjects n = 258 (%) OR (95% CI) p
ERβ CA SS 75 (67.6) 165 (64.0) 1.00 (reference) .77
SL 32 (28.8) 83 (32.2) 1.15 (.35–3.79) .81
LL 4 (3.6) 10 (3.8) .96 (.28–3.30) .95
CYP19 TTTA SS 31 (29.8) 76 (29.5) 1.00 (reference) .87
SL 51 (49.0) 133 (51.5) .91 (.47–1.75) .77
LL 22 (21.2) 49 (19.0) .45 (.47–1.55) .60

OR, odds ratio; CI, confidence interval; ERβ, estrogen receptor beta; CYP19, aromatase; LL, two long alleles; SL, one short and one long allele; SS, two short alleles.