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Table 5 Haplotype frequency between children with TD and normal controls

From: Involvement of tryptophan hydroxylase 2 gene polymorphisms in susceptibility to tic disorder in Chinese Han population

Haplotypesa Number and frequency (%) χ 2 P OR [95% CI]
  TD childrenb Normal controlsb    
C-T 74(49.60) 72(57.53)    
T-G 47(31.15) 33(26.33) 1.172 0.279 1.356 [0.781–2.356]
C-G 28(18.85) 20(15.67) 1.063 0.302 1.411 [0.732–2.718]
  1. aHaplotypes were constructed using rs4565946 and rs4570625 single-nucleotide polymorphisms, from left to right. No T-T haplotype was observed.
  2. b Percentages may not equal 100 because of rounding.