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Table 4 Cox regression models for prediction of one-year death risk in 229 patients with bioimpedance assessment at the 6th month on short daily haemodialysis by levels of adjustment

From: Association between extracellular volume control and survival in patients on short daily haemodialysis

VariablesModel 1Model 2Model 3
Hazard ratio (95% confidence interval)
FO ≤15%0.30 (0.14–0.62)0.26 (0.11–0.61)0.34 (0.13–0.87)
Age (year)1.05 (1.02–1.09)1.05 (1.02–1.08)
Male gender0.82 (0.36–1.88)1.0 (0.39–2.55)
Diabetes1.30 (0.55–3.05)1.47 (0.59–3.68)
Vintage (month)1.00 (0.99–1.01)1.00 (0.99–1.01)
Catheter1.49 (0.59–3.75)1.49 (0.59–3.75)
BMI (Kg/m2)1.06 (0.98–1.15)1.09 (0.99–1.19)
SBP < 130 mmHg2.06 (0.93–4.59)2.46 (1.06–5.69)
UF rate (mL/h/Kg)1.06 (0.92–1.23)1.07 (0.92–1.25)
Standard KT/V1.01 (0.47–2.16)
Serum albumin (g/L)0.88 (0.79–0.99)
Phosphorus (mg/dL)0.79 (0.56–1.10)
Haemoglobin (g/dL)0.95 (0.76–1.19)
  1. Model 1: unadjusted hazard ratio, Model 2: adjustment for clinical and demographics; Model 3: model 2 plus laboratory variables. FO, fluid overload; BMI, body mass index; SBP, systolic blood pressure; UF, ultrafiltration
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