Figure 3.
Correlation of anti‐islet autoantibody positivity with duration of diabetes in patients with slowly‐progressive type 1 diabetes. ELISA, enzyme‐linked immunosorbent assay; GADA, glutamic acid decarboxylase autoantibody; RIA, radioimmunoassay. *P < 0.05 vs group 1–2 years; **P < 0.05 vs groups <1, 1–2, and 3–5 years.