TABLE 2

Serum antioxidant capacity (micromoles per liter trolox equivalent) before and after 1,000 mg uric acid i.v. and 1,000 mg vitamin C in regular smokers, patients with type 1 diabetes, and control subjects

Regular smokersPatients with type 1 diabetesControl subjects
Vitamin C administration
    Pre1,203 ± 46*1,089 ± 46*1,404 ± 57
    Post1,316 ± 501,240 ± 481,532 ± 66
    Change120 ± 12148 ± 17131 ± 13
Uric acid administration
    Pre1,224 ± 541,106 ± 48*1,341 ± 60
    Post1,402 ± 661,349 ± 521,578 ± 67
    Change203 ± 22221 ± 19235 ± 30
  • Data are means ± SE.

  • *

    * P < 0.05 compared with control subjects;

  • P < 0.05,

  • P < 0.01 compared with baseline.