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Table 7 Crude and adjusted HRs of dialysis start by main diet (LPD-KA, LPD-PFF), Charlson index, proteinuria, and GFR (Cox analysis) in the population: age > =65–<80 years; Charlson index > =5 < 12; proteinuria <3 g/day GFR at start > =15 < 30 mL/min

From: Diet as a system: an observational study investigating a multi-choice system of moderately restricted low-protein diets

  n/N Crude RR (95% CIs) P value Adjusted HR (95% CIs) P value
Diet 0.19   0.2326
 LPD-KA 6/32 (1−) (1−)
 LPD-PFF 4/46 0.46 (0.14–1.51) 0.43 (0.11–1.72)
Charlson index 0.38   0.7511
 <7 2/25 (1−) (1−)
 ≥7 8/53 1.89 (0.43–8.25) 1.31 (0.25–6.93)
Proteinuria (g/day) 0.002   0.0303
 <1 3/55 (1−) (1−)
 ≥1 7/23 5.58 (1.58–19.71) 5.13 (1.17–22.55)
  1. RR Relative risk, HR Hazard ratio