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Table 1 Allele and genotype frequencies of the 5-HTT gene polymorphism in patients with endometriosis and controls

From: Lack of association between serotonin transporter 5-HTT gene polymorphism and endometriosis in an Italian patient population

5-HTT Patients (137) Controls (120)
  n % n %
Allele  
S 117 (42.7%) 104 (43.3%)
L 157 (57.3%) 136 (56.7%)
Genotype  
SS 28 (20.5%) 25 (20.8%)
SL 61 (44.5%) 54 (45.0%)
LL 48 (35.0%) 41 (34.2%)
Dominant model  
SS + SL 89 (65.0%) 79 (65.8%)
LL 48 (35.0%) 41 (34.2%)
  1. The genetic model was considered dominant in the hypothesis that the S variant is a risk factor for the disease.