Table 2.

Determinants of changes in hematologic parameters during follow-up, based on mixed linear regression models

Variable	Hemoglobin (g/dl)	Mean corpuscular	Mean corpuscular
		volume (fl)	hemoglobin (pg)
Intercept	9.4 (8.4 to 10.5)	83.6 (78.7 to 88.6)	26.9 (25.2 to 28.5)
Men vs. women	0.1 (−0.2 to 0.5)	−1.3 (−2.9 to 0.3)	−0.2 (−0.7 to 0.4)
Age (per 10 years)	0.07 (−0.04 to 0.2)	0.9 (0.4 to 1.5)	0.3 (0.2 to 0.5)
Duration in dialysis (per 10 months)	0.3 (0.2 to 0.4)	−0.4 (−0.9 to 0.1)	−0.2 (−2.5 to 1.4)
No diabetes vs. diabetes	−0.01 (−0.4 to 0.4)	2.4 (0.6 to 4.2)	0.8 (0.2 to 1.5)
No HIV vs. HIV infection	0.04 (−0.6 to 0.7)	−.3 (−3.3 to 2.8)	−.1 (−1.6 to 0.9)
No iron vs. iron therapy	−0.5 (−0.9 to −0.1)	−1.7 (−3.5 to 0.2)	−0.4 (−1.1 to 0.2)
No EPO vs. EPO therapy	−1.1 (−1.6 to −0.6)	−2.6 (−4.9 to −0.4)	−0.9 (−1.6 to −0.1)
Blood transfusion (per pint)	−0.7 (−0.9 to −0.6)	−0.1 (−0.7 to 0.5)	−0.1 (−0.2 to 0.1)

EPO - Erythropoietin; HIV - Human Immunodeficiency Virus.