Table 1. Main clinical and biochemical data at baseline and at referral (patients are sorted by the start of the diet).

^a Age at start of the diet. ^b Functional score (Karnofsky). ^c Nutritional score (Subjective Global Assessment). ^d Diabetes follow-up at the start of the diet. ^e Nephrology follow-up at the start of the diet. ^f Serum creatinine. ^g Blood creatinine clearance. ^h Proteinuria. ⁱ Renal biopsy. ^j Male. ^k Female.