Study	Reason for exclusion
Attman 1983	Late (pre‐dialysis) intervention
Azadbakht 2003	Duration only 7 weeks
Bending 1988	Duration only 3 weeks
Brodsky 1992	Duration only 12 weeks
Brouhard 1986	Control group were non‐diabetic
Cianciaruso 1989	Trial to assess compliance to a low protein diet
Cohen 1987	Duration only 3 weeks
Evanoff 1989	Changes in antihypertensive therapy
Facchini 2003	Comparison diet not usual diet (carbohydrate‐restricted, low‐iron‐available, polyphenol‐enriched diet
Gin 1991	Aim was to assess the effect of the increase in carbohydrate on insulin sensitivity
Gross 2002	Duration only 4 weeks
Hansen 1999	Duration only 8 weeks
Jibani 1991	Duration only 8 weeks
Kupin 1987	Two consecutive dietary periods of one week
Levine 1989	No comparison period, duration only 15 weeks
Mollsten 2001	Case control study
Parillo 1988	Duration only 10 days
Pecis 1994	Duration only 3 weeks
Pedersen 1989	Duration only 4 weeks
Rudberg 1988	Duration only 10 days
Stephenson 2005	Duration only 8 weeks
Stojceva‐Taneva 2001	Observational study
Wheeler 2002	Duration only 6 weeks
Wiseman 1987	Duration only 3 weeks