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TABLE 4

Tracer kinetics in basal state in male study participants before and after bed rest

Before bed rest
After bed rest
FDR groupCON groupFDR groupCON group
n 13 20 13 20 
Ra glucose (μmol · min−1 · kg FFM−116.0 ± 4.7 9.7 ± 4.1* 15.0 ± 6.0 10.4 ± 3.7 
Ra glycerol (μmol · min−1 · kg FFM−12.7 ± 1.4 2.8 ± 1.4 2.1 ± 1.3 2.2 ± 1.3 
HIR index (μmol · min−1 · kg FFM−1 · pmol−1 · l−1539 ± 272 282 ± 158* 729 ± 335 384 ± 217§ 
Before bed rest
After bed rest
FDR groupCON groupFDR groupCON group
n 13 20 13 20 
Ra glucose (μmol · min−1 · kg FFM−116.0 ± 4.7 9.7 ± 4.1* 15.0 ± 6.0 10.4 ± 3.7 
Ra glycerol (μmol · min−1 · kg FFM−12.7 ± 1.4 2.8 ± 1.4 2.1 ± 1.3 2.2 ± 1.3 
HIR index (μmol · min−1 · kg FFM−1 · pmol−1 · l−1539 ± 272 282 ± 158* 729 ± 335 384 ± 217§ 

Data are means ± SD.

*Significant difference between FDR and CON groups before bed rest, P < 0.05.

†Significant difference between FDR and CON groups after bed rest, P < 0.05.

‡Significant difference before versus after bed rest; P < 0.05.

§Log-transformed data.

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