Table 9.

Marginal standardized hemoglobin levels after age and sex adjustment or multivariable adjustment

Marginal standardized hemoglobin levels after age and sex adjustment
Categories for estimated glomerular filtration rate (mL/min/1.73 m2)	Albuminuria category	Predicted hemoglobin level (g/dL)		P for interaction
		Mean	95% confidence interval
<15	Normoalbuminuria	12.0	11.7–12.3	<.001
	Microalbuminuria	11.5	11.4–11.7
	Macroalbuminuria	11.3	11.2–11.5
15–<30	Normoalbuminuria	12.6	12.5–12.7	<.001
	Microalbuminuria	12.6	12.5–12.7
	Macroalbuminuria	12.3	12.2–12.4
30–<45	Normoalbuminuria	13.2	13.2–13.2	.17
	Microalbuminuria	13.2	13.2–13.2
	Macroalbuminuria	13.1	13.1–13.2
45–<60	Normoalbuminuria	13.5	13.5–13.5	.002
	Microalbuminuria	13.6	13.5–13.6
	Macroalbuminuria	13.5	13.5–13.6
60–<90	Normoalbuminuria	13.6	13.6–13.6	<.001
	Microalbuminuria	13.7	13.7–13.7
	Macroalbuminuria	13.8	13.7–13.8

Marginal standardized hemoglobin levels after multivariable adjustment
Categories for estimated glomerular filtration rate (mL/min/1.73 m2)	Albuminuria category	Predicted hemoglobin level (g/dL)		P for interaction
		Mean	95% confidence interval
<15	Normoalbuminuria	12.4	12.1–12.7	<.001
	Microalbuminuria	12.0	11.8–12.1
	Macroalbuminuria	11.8	11.7–12.0
15–<30	Normoalbuminuria	12.8	12.7–12.9	<.001
	Microalbuminuria	12.8	12.8–12.9
	Macroalbuminuria	12.6	12.5–12.6
30–<45	Normoalbuminuria	13.3	13.2–13.3	.50
	Microalbuminuria	13.3	13.2–13.3
	Macroalbuminuria	13.2	13.2–13.3
45–<60	Normoalbuminuria	13.5	13.5–13.6	.001
	Microalbuminuria	13.6	13.6–13.6
	Macroalbuminuria	13.6	13.5–13.6
60–<90	Normoalbuminuria	13.6	13.6–13.6	<.001
	Microalbuminuria	13.7	13.7–13.7
	Macroalbuminuria	13.8	13.7–13.8

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.