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]
Male TD children
Male normal controlsb
C-T
54(48.21)
49(57.63)
T-G
36(32.59)
21(24.89)
1.717
0.190
1.556 [0.802–3.018]
C-G
22(19.2)
14(16.77)
0.812
0.368
1.426 [0.658–3.091]