Table 2 The effects across time of a ketogenic diet on binge eating, depression, food addiction symptoms and weight
Variable | Cases | Baseline | Change after 6–7 months | Change after 9–13 months | Change after 17 months |
|---|---|---|---|---|---|
Patient Health Questionnaire-9 (depression subscale score) | Case 1 | 20 | −19 |  |  |
Case 2 | – | – |  |  | |
Case 3 | – | – |  |  | |
Binge-Eating Scale | Case 1 | 35 | − 31 |  |  |
Case 2 | – | – |  |  | |
Case 3 | – | – |  |  | |
Yale-Brown Obsessive-Compulsive Scale (modified for Binge Eating) | Case 1 | 39 | − 37 |  |  |
Case 2 | – | – |  |  | |
Case 3 | – | – |  |  | |
Reported Binge Eating Episodes and Frequency | Case 1 | 1–3 times daily; 14 times per week | −14 weekly | −14 weekly | −14 weekly |
Case 2 | 1–2 times daily; 8–11 times per week | − 8 to − 11 weekly | − 8 to − 11 weekly | −8 to − 11 weekly | |
Case 3 | 1–2 times daily; 8–10 times per week | − 8 to − 10 weekly | −7 to – 9 weekly | −8 to − 11 weekly | |
Yale Food Addiction Scale | Case 1 | 10 | − 9 |  |  |
Case 2 | 7 | −6 |  |  | |
Case 3 | 6 |  | −4 |  | |
Weight (kg) | Case 1 | 115.7 | −17.0 | − 26.3 | − 28.2 |
Case 2 | 145.2 | −20.4 | −19.1 |  | |
Case 3 | 110.2 | −10.0 | −10.9 |  | |
Weight (% weight change) | Case 1 |  | −14.7 | −22.7 | −24.4 |
Case 2 |  | −14.0 | −13.2 |  | |
Case 3 |  | −9.1 | −9.9 |  | |
BMI (kg/m2) | Case 1 | 43.1 | −4.6 | −9.1 | −10.0 |
Case 2 | 47.1 | −6.8 | −6.0 |  | |
Case 3 | 40.4 | −3.8 | −4.0 |  |