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. 2017 Mar 1;38(3):469–478. doi: 10.1177/0271678X17697721

Table 2.

Mean values of regional metabolite concentrationsa measured before and after 72 h of fasting and in a matched non-fasting control group.

Brain regionb Pre-fasting
 Post-fasting
 Non-fasting
 Pre-fasting
 Post-fasting
 Non-fasting
 Pre-fasting
 Post-fasting
 Non-fasting
NAA
 NAA
 NAA
 tCho
 tCho
 tCho
 tCr
 tCr
 tCr
N Mean SDc Mean SD Mean SD Mean SD Mean SD Mean SD Mean SD Mean SD Mean SD
RFL 15 10.68 0.64 10.24 0.58 10.60 0.73 1.96 0.18 1.74 0.11 2.03 0.23 8.68 0.42 8.36 0.53 8.78 0.55
LFL 15 10.87 0.59 10.32 0.65 10.63 0.77 2.08 0.27 1.83 0.19 2.08 0.25 9.00 0.57 8.56 0.52 8.91 0.80
RTL 15 9.10 0.60 8.79 0.52 8.87 0.65 1.68 0.19 1.53 0.13 1.74 0.17 7.81 0.48 7.49 0.32 7.62 0.49
LTL 15 9.55 0.68 9.11 0.72 9.37 0.51 1.80 0.17 1.58 0.15 1.85 0.16 7.99 0.47 7.78 0.44 8.12 0.50
RPL 15 11.30 0.59 10.79 0.52 10.93 0.75 1.74 0.16 1.56 0.18 1.71 0.19 8.67 0.42 8.41 0.47 8.39 0.62
LPL 15 11.23 0.60 10.92 0.46 11.09 0.64 1.76 0.17 1.59 0.14 1.76 0.22 8.68 0.37 8.45 0.51 8.57 0.63
ROL 15 10.99 0.61 10.81 0.57 10.80 0.69 1.35 0.16 1.25 0.15 1.32 0.13 8.58 0.54 8.42 0.56 8.34 0.48
LOL 15 11.27 0.66 10.89 0.71 11.23 0.67 1.44 0.20 1.26 0.14 1.44 0.17 8.80 0.52 8.52 0.49 8.82 0.66
Cbl 15 8.95 0.47 8.73 0.54 8.89 0.75 2.28 0.20 2.03 0.19 2.33 0.22 10.74 0.69 10.23 0.64 10.37 0.82
Glx
 Glx Glx mI mI mI
 
Mean
 SD
 Mean
 SD
 Mean
 SD
 Mean
 SD
 Mean
 SD
 Mean
 SD
RFL 15 8.05 0.61 6.68 0.78 8.09 0.55 5.22 0.84 4.79 1.01 5.00 0.60
LFL 15 8.52 0.91 7.35 0.89 8.48 0.50 5.53 1.28 5.24 1.18 5.48 1.02
RTL 15 7.74 0.53 6.39 0.55 7.40 0.49 4.99 0.77 4.77 0.64 5.33 0.73
LTL 15 7.90 0.63 6.72 0.98 8.01 0.53 5.47 0.79 5.29 1.07 5.54 0.66
RPL 15 7.55 0.77 6.16 0.56 7.54 0.44 4.86 0.73 4.55 0.59 4.74 0.60
LPL 15 7.66 0.78 6.28 0.76 7.86 0.50 4.92 0.75 4.66 0.85 5.09 0.58
ROL 15 7.97 1.19 6.51 0.73 7.64 0.57 4.94 0.70 4.84 0.51 4.81 0.54
LOL 15 7.93 1.15 6.27 0.71 7.76 0.49 4.98 0.70 4.69 0.46 5.05 0.69
Cbl 15 8.54 0.69 7.19 0.69 8.34 0.37 5.33 0.64 5.22 0.63 5.59 0.85
a

In ratio to brain tissue water.18 bLFL/RFL: left and right frontal lobe; LTL/RTL: left and right temporal lobe, LPL/RPL: left and right parietal lobe; LOL/ROL: left and right occipital lobe; Cbl: cerebellum; cSD: standard deviation.