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Effect of bed rest on ttPeak. Longitudinal observation of the effects of bed rest and re-ambulation on ttPeak. In the re-ambulation period (R0 and R2), ttPeak was significantly shorter compared to baseline levels (BDC-5) in all 3 groups (P = 0.001 for overall longitudinal analysis). Data are expressed as means ± SD. ∗P < 0.05; ∗∗P < 0.01; ∗∗∗P < 0.001 compared to the respective BDC-5. SD = standard deviation.
