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Table 5 Multivariate time-dependent model for kidney recovery among incident hemodialysis patients

From: Predictors of kidney function recovery among incident ESRD patients

Variables HR (95% CI) P-value
Sex (ref = “male”)
 Female 0.96 (0.92,1.00) 0.050
Race (ref = “White”)
 Black 0.49 (0.47,0.52) < 0.001
 American Indian/Alaska Native 0.62 (0.48,0.80) 0.0003
 Asian 0.64 (0.56,0.73) < 0.001
 Native Hawaii/Pacific Islander 0.57 (0.44,0.75) < 0.001
 Other 0.63 (0.39,1.01) 0.055
Age, years (ref = “0–44”)
 45–64 0.93 (0.86,1.00) 0.003
 65+ 0.74 (0.68,0.80) < 0.001
Primary cause by category (ref = “Diabetes”)
 Cystic Kidney 0.46 (0.35,0.61) < 0.001
 Glomerulonephritis 1.82 (1.68,1.97) < 0.001
 Hypertension 1.12 (1.11,1.25) < 0.001
 Missing Cause 7.41 (4.03,13.62) < 0.001
 Other Cause 3.37 (3.17,3.57) < 0.001
 Other Urologic 1.52 (1.30,1.76) < 0.001
 Unknown Cause 2.02 (1.81,2.26) < 0.001
Comorbidities
 Diabetes Mellitus 0.94 (0.90,0.99) 0.02
 Atherosclerotic Heart Disease 0.97 (0.92,1.03) 0.28
 Heart Failure 1.20 (1.14,1.25) < 0.001
 Hypertension 1.23 (1.17,1.29) < 0.001
 Peripheral Vascular Disease 0.89 (0.83,0.94) < 0.001
 COPD 0.83 (0.79,0.89) < 0.001
 Cancer 1.01 (0.95,1.08) 0.70
 Cerebrovascular Disease 1.07 (1.00,1.15) 0.04
Institutionalized 0.95 (0.89,1.01) 0.10
Pre-ESRD ESA Use (ref = “no”)
 Yes 0.69 (0.63,0.74) < 0.001
 Unknown 1.06 (1.01,1.12) 0.03
Pre-ESRD Nephrologist care (ref = “no”)
 Yes 0.34 (0.32,0.35) < 0.0001
 Unknown 0.69 (0.64,0.73) < 0.0001
Insurance Coverage (ref = “Medicare only”)
 Employer only 1.06 (0.99,1.15) 0.12
 Medicaid only 0.89 (0.83,0.96) 0.003
 Medicare and Medicaid 0.85 (0.80,0.91) < 0.001
 Medicare and employer 0.99 (0.91,1.08) 0.86
 Medicare and other 1.01 (0.95,1.08) 0.68
 None 0.95 (0.88,1.03) 0.25
 Other only 0.94 (0.86,1.03) 0.20
Laboratory values
 Serum Creatinine (per mg/dL) 1.00 (0.99,1.01) 0.86
 eGFR (mL/min/1.73m2) 1.05 (1.04,1.06) < 0.001
 Calcium (per mg/dL) 1.26 (1.22,1.31) < 0.001
 Albumin (per g/dL) 0.99 (0.95,1.04) 0.72
 Phosphorus (per mg/dL) 0.57 (0.56,0.58) < 0.001
 Hemoglobin (per g/dL) 0.95 (0.93,0.97) < 0.001
Quintile of ultrafiltration rate (ref = ‘1st/lowest’)
 2nd 0.70 (0.67,0.74) < 0.001
 3rd 0.58 (0.55,0.62) < 0.001
 4th 0.50 (0.47,0.53) < 0.001
 5th (highest) 0.41 (0.38,0.43) < 0.001
  1. ESRD End-stage renal disease, ESA Erythropoiesis-stimulating agent, eGFR Estimated glomerular filtration rate