Table 16.

HbA1c-stratified relative risk for anemia after multivariable adjustment

Prevalence of anemia after multivariable adjustment among individuals with HbA1c < 7%
Categories for estimated glomerular filtration rate (mL/min/1.73 m2)	Relative risk for anemia	95% confidence interval	P-value
<15	1.69	1.50–1.91	<.001
15–<30	1.70	1.60–1.81	<.001
30–<45	1.45	1.40–1.51	<.001
45–<60	1.16	1.12–1.19	<.001
60–<90	Reference

Prevalence of anemia after multivariable adjustment among individuals with HbA1c ≥ 7%
Categories for estimated glomerular filtration rate (mL/min/1.73 m2)	Relative risk for anemia	95% confidence interval	P-value
<15	1.91	1.51–2.44	<.001
15–<30	1.69	1.58–1.82	<.001
30–<45	1.47	1.41–1.53	<.001
45–<60	1.16	1.12–1.19	<.001
60–<90	Reference

Abbreviations: HbA1c, hemoglobin A1c.

Differences in estimated glomerular filtration rate among the same estimated glomerular filtration rate category, albuminuria levels, and interaction terms between albuminuria and estimated glomerular filtration rate category were controlled in both models.