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Table 3 Change in body mass and composition on ketogenic or control diets

From: Body composition changes in physically active individuals consuming ketogenic diets: a systematic review

First author, ref Duration (d) KD CON
Body Mass (kg) Fat Mass (kg) Fat Free Mass (kg) Calculated Energy Balance (kcal/d) Body Mass (kg) Fat Mass (kg) Fat Free Mass (kg) Calculated Energy Balance (kcal/d)
Dostal et al. [26], 84 −3.6 − 2.9 − 0.7a − 338 − 0.9 − 0.4 − 0.5a − 52
Greene et al. [22], 84 − 1.7 0 −1.7 − 24 1.6 1.1 0.5 132
Gregory et al. [30], 42 − 3.5 − 2.8 − 0.4 −645 0.2 0.1 0.1 25
Heatherly et al. [24], L 21 −2.1 − 2.2 −0.1 − 1002
Kephart et al. [28], 84 −3 − 2.5 − 0.5 − 290 − 0.3 − 0.3 0 −34
LaFountain et al. [29], 84 − 7.7 −5.9 − 1.8a − 693 0.1 − 0.6 0.7a − 58
McSwiney et al. [16], 84 − 5.9 −4.6 0.3 − 517 − 0.8 − 0.5 0.1 −55
Nazaraweicz et al. [25],L 28 − 1.7 − 1.7a 0.0a − 577
Paoli et al. [31], 56 − 0.8 − 1.4 0.6 − 250 1.3 − 0.9 2.2 202
Prins et al. [23],b 42 0.5 −0.2 0.4 −34 0.1 0.5 −0.4 102
Vargas et al. [15], 56 −1.4 − 1.1 − 0.3 − 193 0.9 − 0.4 1.4 −38
Vargas-Molina et al. [27], 56 −2.2 − 1.1 −0.7 − 202 0.8 0.4 0.7 83
Wilson et al. [11], 70 −2.6 − 4.2 1.5 − 545 0.6 − 2.2 2.7 − 253
  1. Lindicated longitudinal study design
  2. aindicates values calculated from available data
  3. bDelta calculated as day 42 – day 4