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Table 4 Estimated slopes and 95 % highest posterior density (HPD) intervals for linear regression on the body composition quantities against time on the KD

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

Slope β

Patient 1

Patient 2

Patient 3

Patient 4

Patient 5 a

Patient 6

BW (kg/week)

−0.58 [−1.35, 0.18]

−0.21 [−1.59, 1.17]

−0.71 [−0.90, −0.53]

−0.06 [−2.29, 2.18]

−0.84 [−1.07,−0.61]

−0.22 [−0.43,0.01]

Relative BW (%/week)

−0.64 [−1.45,0.21]

−0.31 [−2.25,1.65]

−0.93 [−1.18,−0.68]

−0.07 [−2.33,2.25]

−0.74 [−0.94,−0.54]

−0.38 [−0.78,0.01]

PA (°/week)

−0.02 [−0.10,0.05]

−0.02 [−0.16,0.12]

−0.02 [−0.07, 0.03]

−0.14 [−1.8, 1.6]

−0.06 [−0.08,−0.04]

0.06 [−0.002,0.12]

FM (kg/week)

−0.40 [−1.02,0.22]

NA

−0.49 [−0.68,−0.30]

NA

−0.68 [−0.90,−0.45]

−0.28 [−0.48,−0.09]

Relative FM (%/week)

−0.21 [−0.63, 0.23]

NA

−0.49 [−0.75, −0.23]

NA

−0.29 [−0.54,−0.04]

−0.42 [−0.76, −0.10]

FFM (kg/week)

−0.13 [−0.61,0.35]

NA

−0.22 [−0.45,0.02]

NA

−0.17 [−0.53,0.21]

0.07 [−0.18,0.32]

Relative FFM (%/week)

0.23 [−0.14,0.61]

NA

0.49 [0.37,1.46]

NA

0.29 [0.04,0.54]

0.42 [0.09,0.75]

ECW (l/week)

−0.023 [−0.31, 0.26]

NA

−0.063 [−0.18, 0.054

NA

−0.004 [−0.18,0.18]

−0.069 [−0.28, 0.14]

ICW (l/week)

−0.15 [−0.30, −0.01]

NA

−0.15 [−0.27, −0.06]

NA

−0.13 [−0.25, −0.008]

0.18 [0.04, 0.32]

Hydration (ECW/ICW)

(%/week)

0.46 [−0.49, 1.42]

NA

0.16 [−0.22, 0.53]

NA

0.39 [−0.15,0.91]

−1.23 [−2.65, 0.19]

  1. Trends are considered significant if the 95 % HPD interval excludes 0, with positive slopes indicating an increase, negative slopes a decrease in the quantity under consideration
  2. a Trends in patient 5 where only computed for the 73 days he followed a KD