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. Author manuscript; available in PMC: 2020 Nov 6.
Published in final edited form as: JPEN J Parenter Enteral Nutr. 2018 Jan 19;42(7):1148–1155. doi: 10.1002/jpen.1067

Table 3.

Skeletal muscle changes across all phases of contrast

Variable
[95% CI]		 Muscle CSA index Muscle density
Mean
difference,
cm2/m2 		% change from
pre-contrast		 p-value Mean
difference,
HU		 % change from
pre-contrast		 p-value
Arterial phase – pre-contrast 0.6 [0.1 – 1.1] 1.2 % 0.007 6.4 [5.2 – 7.5] 17.2 % <0.001
3 minute phase – pre-contrast 0.8 [0.4 – 1.2] 1.4 % <0.001 8.7 [7.9 – 9.6] 23.4 % <0.001
3 minute phase – arterial phase 0.1 [−0.4 – 0.6] - 1.000 2.4 [1.2 – 3.5] - <0.001

CI, confidence interval; CSA, cross-sectional area; HU, Hounsfield unit.