Case Control Study
Copyright ©2014 Baishideng Publishing Group Inc.
World J Diabetes. Aug 15, 2014; 5(4): 557-561
Published online Aug 15, 2014. doi: 10.4239/wjd.v5.i4.557
Table 3 Effect of protein tyrosin phosphatase 22 genotype on age at onset of type 1 diabetes
Continental Italy
Sardinia
Age at onset (yr)
mean ± SEmean ± SE
PTPN22 genotype
*C/*C8.56 ± 0.287.44 ± 0.32
*T carriers9.85 ± 1.037.43 ± 1.33
Student t test for differences between means
P = 0.100P = 0.540