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Table 3 Quality of life, subjective wellbeing and practicability of the KD

From: Impact of a ketogenic diet intervention during radiotherapy on body composition: I. Initial clinical experience with six prospectively studied patients

  Patient 1 Patient 2 Patient 3 Patient 4 Patient 5 Patient 6
How do you rate the
practicability of the
diet?
Easy Difficult (at the beginning) Difficult Easy Difficult Easy
Did you experience changes in your appetite? Less hunger Less hunger Less hunger Less hunger Less hunger Less hunger
Did you have concerns eating mainly fat? Yes Yes Yes No No Yes
Have you been able to perform your usual level of exercise? If not was it due to the diet or RT? Less training due to RT; less condition and strength attributed to RT No problems (the only exercise was hiking) Minor problems (not during exercise, but more exhausted afterwards) attributed to diet No exercise No exercise No problems
What was your general feeling during the diet (besides exercise)? Good Good Good; not good during the last 10 days of RT Good Good Very good
What has improved most? Vanishing of chronic migraine headaches; no more postprandial tiredness Nothing special Nothing special Nothing special Less snoring; feeling of taking self-responsibility Good mood, euphoria; engagement with the diet distracted from the actual disease
How will your diet look like after RT? CHO restricted but not so strict CHO restricted but not so strict CHO restricted but not so strict Ketogenic diet Ketogenic diet CHO restricted but not so strict
Global health status/
QoL
 Baseline 91.7 83.3 66.7 66.7 NA 83.3
 End of RT 75.0 83.3 58.3 66.7 NA 75
Total functional score
 Baseline 593.3 540.0 633.3 604.4 NA 711.1
 End of RT 683.3 560.0 575.0 751.7 NA 725
Fatigue
 Baseline 55.6 22.2 44.4 11.1 NA 11.1
 End of RT 33.3 22.2 44.4 22.2 NA 33.3
Nausea and vomiting
 Baseline 0 0 0 0 NA 0
 End of RT 16.7 0 16.7 0 NA 0
Appetite loss
 Baseline 0 0 0 0 NA 0
 End of RT 0 66.7 66.7 0 NA 33.3
Constipation
 Baseline 0 0 0 0 NA 0
 End of RT 0 0 0 0 NA 0
Diarrhea
 Baseline 0 100 0 0 NA 66.7
 End of RT 0 100 66.7 0 NA 66.7
  1. Outcomes of EORTC QLQ-C30 are summarized by global health status, total functional score and symptom scales including scores from site-specific questionnaires. The questions in the left column stem from our own non-validated questionnaire in which answers had to be chosen from a predefined list of items