Table 4

Annual prevalence of diabetic nephropathy in pediatric patients with diabetes for all cases stratified by age and sex and for probable cases only: U.S. MarketScan data, 2002–2003

Year	All cases						Probable cases only
	Age (years)^*				Sex^†
	<2	2 to < 6	6 to <12	12 to <18	Male	Female
2002	n/a	0.31 (0–1.72)	0.20 (0.04–0.60)	1.62 (1.23–2.08)	0.95 (0.62–1.39)	1.36 (0.96–1.87)	0.83 (0.61–1.11)
2003	n/a	0.18 (0–0.98)	0.40 (0.19–0.74)	2.21 (1.86–2.61)	1.26 (0.96–1.63)	1.94 (1.56–2.37)	1.24 (1.03–1.49)
2004	n/a	0.39 (0.08–1.13)	0.68 (0.43–1.02)	2.52 (2.19–2.88)	1.66 (1.36–2.01)	2.13 (1.79–2.52)	1.46 (1.26–1.68)
2005	n/a	0.55 (0.15–1.40)	0.81 (0.55–1.16)	3.14 (2.79–3.52)	2.18 (1.85–2.56)	2.57 (2.21–2.97)	1.75 (1.53–1.98)
2006	n/a	0.33 (0.04–1.19)	0.89 (0.59–1.28)	3.29 (2.91–3.70)	2.27 (1.91–2.67)	2.74 (2.35–3.19)	1.97 (1.73–2.23)
2007	2.44 (0.03–13.57)	0.35 (0.07–1.02)	0.89 (0.65–1.18)	3.15 (2.86–3.46)	2.24 (1.96–2.56)	2.61 (2.30–2.95)	1.91 (1.73–2.12)
2008	5.26 (1.06–15.38)	0.72 (0.29–1.49)	1.21 (0.95–1.51)	3.56 (3.28–3.86)	2.62 (2.34–2.92)	3.03 (2.73–3.36)	2.19 (2.00–2.38)
2009	n/a	0.79 (0.36–1.50)	1.46 (1.20–1.76)	3.70 (3.44–3.98)	2.73 (2.46–3.02)	3.25 (2.96–3.56)	2.24 (2.07–2.42)
2010	1.59 (0.02–8.83)	1.08 (0.59–1.82)	1.53 (1.28–1.82)	3.63 (3.39–3.89)	2.63 (2.39–2.89)	3.34 (3.06–3.63)	2.18 (2.02–2.35)
2011	n/a	0.70 (0.34–1.29)	1.51 (1.27–1.78)	3.73 (3.49–3.97)	2.78 (2.55–3.03)	3.30 (3.04–3.57)	2.17 (2.02–2.32)
2012	n/a	0.22 (0.04–0.64)	1.59 (1.34–1.87)	3.94 (3.71–4.19)	2.92 (2.68–3.17)	3.55 (3.28–3.83)	2.24 (2.09–2.40)
2013	n/a	0.44 (0.14–1.03)	1.29 (1.04–1.58)	4.30 (4.03–4.58)	3.04 (2.77–3.32)	3.86 (3.55–4.19)	2.32 (2.16–2.50)

Data are prevalence of diabetic nephropathy per 100 pediatric patients with diabetes (95% CI). n/a, not applicable because of zero cases.
↵*P values <0.05 for years 2002 through 2013, χ² test.
↵†P values <0.05 for years 2009 through 2013, χ² test.