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Table 2 Unadjusted and adjusted specific Hazard Ratio (HR) for the risk of death in the matched cohort

From: Daily hemodialysis practices in Australia/New Zealand and in France: a comparative cohort study

  Unadjusted HR
(95% CI)
Adjusted HR
(95% CI)
Smoking status (vs no smoker)
 Current/former smoker 1.49 (1.12–1.99)
 Missing 1.16 (0.58–2.32)
Hemoglobin (vs 10–12 g/dl)
  < 10 1.25 (0.89–1.76) 1.13 (0.79–1.61)
  > 12 0.60 (0.43–0.84) 0.72 (0.51–1.01)
 Missing 0.59 (0.26–1.34) 0.46 (0.20–1.10)
BMI (vs 18.5–23 kg/m2)
  < 18.5 1.56 (0.83–2.94) 1.56 (0.81–2.99)
 23–25 1.03 (0.63–1.69) 0.82 (0.49–1.37)
 25–30 1.07 (0.71–1.60) 0.99 (0.65–1.53)
  ≥ 30 0.79 (0.51–1.21) 0.62 (0.39–0.99)
 Missing 1.79 (1.02–3.16) 2.01 (1.12–3.62)
Diabetes (vs no)
 Yes 1.86 (1.41–2.44) 1.42 (1.03–1.96)
PVD (vs no)
 Yes 2.53 (1.92–3.32) 1.87 (1.34–2.63)
CVD (vs no)
 Yes 2.52 (1.81–3.51) 1.56 (1.09–2.25)
 Missing 2.56 (1.63–4.03) 3.87 (2.34–6.39)
Coronary disease (vs no)
 Yes 2.49 (1.89–3.28) 1.87 (1.33–2.64)
Respiratory disease (vs no)
 Yes 1.61 (1.18–2.20)
Country (vs France)
 Australia & New Zealand 1.07 (0.81–1.40) 1.08 (0.78–1.50)
Renal graft during the follow-up (vs no)
 Yes 0.21 (0.1–0.45) 0.35 (0.16–0.76)
Late DHD
 Early DHD (placed on DHD less than 1 year after dialysis initiation) 1.92 (1.44–2.56) 2.43 (1.76–3.35)
 Session duration (hours) 0.82 (0.67–1.0)
  1. BMI Body Mass Index, PVD Peripheral vascular disease, CVD Cerebrovascular disease, HR Hazard Ratio, CI Confidence Interval