Table 1: The distribution of PTPN22 C1858T polymorphism in patients and controls.

Patients ( )Controls ( )
Frequency (%)

Genotype
 CC116 (89.2)127 (84.1)
 CT13 (10.0)8 (5.9)
 TT1 (0.8)0
0.273
 CT + TT14 (10.8)8 (5.9)
0.184
Allele
C245 (94.2)262 (97.0)
T15 (5.8)8 (3.0)
0.137
 OR2.00 (CI 0.83–4.81)