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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