TABLE 1

Changes Over Time in Prevalence of DKA at Diagnosis by Type of Diabetes and Age Group: The SEARCH for Diabetes in Youth Study (2002–2003, 2004–2005, and 2008–2010) Incident Cases

Incident year0–4 Years5–9 Years10–14 Years15–19 YearsAll
nPrevalence per 100 cases, %95% CInPrevalence per 100 cases, %95% CInPrevalence per 100 cases, %95% CInPrevalence per 100 cases, %95% CInPrevalence per 100 cases, %95% CI
Type 1 diabetes
 2002–200312140.134.5–45.612727.923.8–32.015328.925.1–32.84122.916.8–29.144230.227.8–32.5
 2004–20059836.230.4–41.912625.221.4–29.018631.527.8–35.34622.416.7–28.245629.126.9–31.4
 2008–201017541.136.4–45.824729.826.7–32.928630.927.9–33.99523.519.4–27.780331.129.3–32.9
 P for trend.62.29.65.83.42
Type 2 diabetes
 2002–20032214.79.0–20.3169.24.9–13.53811.78.2–15.2
 2004–2005169.55.1–14.053.10.4–5.7216.33.7–8.9
 2008–2010287.34.7–9.9164.22.2–6.2445.74.1–7.4
 P for trend.02.08.005
  • Cases with missing medical record data were excluded from these analyses.