. Author manuscript; available in PMC: 2012 Oct 26.

Published in final edited form as: Pediatrics. 2010 Mar 1;125(4):e844–e851. doi: 10.1542/peds.2009-1230

Table 3.

Unadjusted incidence (cases/1,000 person-years) of macroalbuminuria in nondiabetic and diabetic Pima Indians aged 5-19 years at baseline according to the presence or absence of microalbuminuria and age-sex-adjusted incidence rate ratios (IRR; microalbuminuria/normoalbuminuria and 95% confidence intervals (CI).

	Pearson-Years	Cases	Incidence
No Diabetes
Normoalbuminuria	21,830.0	28	1.3
Microalbuminuria	1,450.0	8	5.5
IRR=8.2 (95% CI, 2.1- 32.4)
Diabetes
Normoalbuminuria	800.5	19	23.7
Microalbuminuria	183.4	11	60.0
IRR=7.6 (95% CI, 1.8- 32.8)