ENO2 and type 1 diabetes mellitus: Patients with duration of T1DM ≥5 years had significantly higher mean concentrations of NSE than those with shorter duration, both for patients with DKA (11.17±3.2 ng/mL versus 7.96±2.7 ng/mL, respectively; p=0.038) and for patients without DKA (10.88±3.2 ng/mL versus 6.23±2.3 ng/mL, respectively; p=0.042).