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Table 2 Cox regression analysis including anemia, age, increased BNP level and decreased eGFR in relation to mortality

From: Prevalence and predictive importance of anemia in Swedish nursing home residents – a longitudinal study

Variable p-value HR CI 95% for HR
All subjects
 Anemia Hb < 120 g/L and 130 g/L 0.066 1.225 0.987–1.521
 Age (years) <0.001 1.051 1.033–1.070
 BNP > 100 ng/L <0.001 1.751 1.403–2.187
 eGFR < 60 mL/min 0.863 0.980 0.782–1.228
Women
 Anemia Hb < 120 g/L 0.495 1.097 0.841–1.429
 Age (years) <0.001 1.043 1.022–1.066
 BNP > 100 ng/L <0.001 1.930 1.477–2.522
 eGFR < 60 mL/min 0.286 0,866 0.666–1.128
Men
 Anemia (Hb < 130 g/L) 0.028 1.580 1.049–2.379
 Age (years) 0.001 1.072 1.031–1.115
 BNP > 100 ng/L 0.137 1.367 0.906–2.064
 eGFR < 60 ml/min 0.403 1.215 0.770–1.919
  1. Hb hemoglobin, HR hazard ratio, CI confidence interval, BNP B-type natriuretic peptide, eGFR estimated glomerular filtration rate
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