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Table 4 Duration of study, reasons for drop out

From: Effects of a ketogenic diet on the quality of life in 16 patients with advanced cancer: A pilot trial

No Duration of diet (weeks) Ketosis > 0.5 mmol/l (% of days) Diet rating EORTC > 2 months Laboratory parameters evaluated for statistics Result Reason for drop out
1 < 1 - - -   ? Drop out after 3 days because of vomiting, fatigue
2 < 2 - + -   ? Drop out after 10 days because of family problems
3 12 61% +++ yes yes SD  
4 8 - + yes yes progress Impaired food intake
5 12 25% ++ yes yes SD  
6 6 97% ++ - yes progress Impaired food intake
7 2 - o - - death  
8 5 - - - - death  
9 12 78% ++ yes yes SD  
10 6 22% + - yes progress Very advanced stage with fatigue and eating problems
11 12 25% ++ yes yes SD  
12 7 44% ++ - yes progress Resumption of chemotherapy
13 8 88% ++ yes yes progress Massive ascites, impaired food intake
14 4 - o - - ? Felt unable to continue the diet
15 7 60% ++ - yes progress Impaired food intake
16 12 100% +++ yes yes SD  
  1. SD: stable disease; diet rating: [+++] very good; [++] good; [+] moderate; [-] poor/not feasible; [o] no comment on feasibility