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Table 3 Multivariate linear regression analysis of phosphate levels to the hemoglobin levels (all patients, n = 300)

From: Association between serum phosphate levels and anemia in non-dialysis patients with chronic kidney disease: a retrospective cross-sectional study from the Fuji City CKD Network

 

Coefficient (95% CI)

P-value

Unadjusted

-1.45 (-1.77, -1.13)

 < 0.001

Model 1a

-1.28 (-1.58, -0.98)

 < 0.001

Model 2b

-0.72 (-1.11, -0.32)

 < 0.001

Model 3c

-0.73 (-1.1, -0.35)

 < 0.001

  1. CI confidence interval
  2. aModel 1: Sex, age, smoking, cancer, diabetes, bone fracture, and gastrointestinal bleeding were added
  3. bModel 2: The estimated glomerular filtration rate, urea nitrogen level, urinary protein level, calcium level, albumin level, body mass index, and reticulocyte count were added
  4. cModel 3: The serum iron level, total iron-binding capacity, ferritin level, C-reactive protein level, and white blood cell count were added