Table 2.

Prevalence of DKA at diagnosis in SEARCH (2009–2012) and YDR (2006–2012) youth, by diabetes type.

	T1D					T2D
	SEARCH (2009–2012*)		YDR (2006–2012*)		p-value	SEARCH (2009–2012*)		YDR (2006–2012*)		p-value
	n	%	n	%		n	%	n	%
Crude Prevalence (per 100)	4,078	35.3	2,108	28.7	<0.0001	1,288	5.5	227	6.6	0.4
Prevalence by age at diagnosis
0–4 yrs^	652	43.7	332	36.7	<0.0001	-	-	-	-
5–9 yrs^	1,315	35.2	646	30.0	<0.0001	-	-	-	-
10–14 yrs	1,482	35.4	688	30.5	<0.0001	595	6.9	59	8.4	0.5
15–19 yrs	629	26.6	442	18.1	<0.0001	633	4.6	158	6.3	0.2
Prevalence by gender
Female	1,882	35.1	993	28.7	<0.0001	829	4.2	111	7.2	0.2
Male	2,196	35.4	1,115	28.8	<0.0001	459	7.8	116	6.0	0.9

^*year of diagnosis

^{^}None of the individuals with T2D diagnosed below 10 years had history of DKA at diagnosis