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. 2017 Mar 17;7:44047. doi: 10.1038/srep44047

Table 2. Trabecular Bone Parameters in Response to the Sprint Interval Training (SIT).

  Femora
Tibiae
Mean ± SEM One-way ANOVAa Two-way ANOVAb Mean ± SEM One-way ANOVAa Two-way ANOVAb
BV/TV
male
Controls 11.0 ± 1.6 0.0010 n.s. 32.1 ± 5.9 n.s. n.s.
Inter. intensity SIT 14.8 ± 2.2### 14.9 ± 5.6
High intensity SIT 5.7 ± 0.6** 27.4 ± 1.9
female        
Controls 35.0 ± 5.0 n.s. 41.2 ± 3.2 n.s.
Inter. intensity SIT 29.4 ± 10.5 41.6 ± 13.2
High intensity SIT 38.8 ± 5.9 n.d.
Tb.Th.
male
Controls 0.085 ± 0.003 0.0007 n.s. 0.117 ± 0.011 n.s. n.s.
Inter. intensity SIT 0.088 ± 0.005### 0.076 ± 0.005
High intensity SIT 0.072 ± 0.002*** 0.115 ± 0.006
female        
Controls 0.09 ± 0.005 n.s. 0.117 ± 0.007 n.s.
Inter. intensity SIT 0.009 ± 0.014 0.117 ± 0.016
High intensity SIT 0.15 ± 0.006 n.d.
T.Ar.
male
Controls 1.26 ± 0.18 0.0064 n.s. 2.56 ± 0.38 n.s. n.s.
Inter. intensity SIT 1.69 ± 0.24## 1.93 ± 0.68
High intensity SIT 0.78 ± 0.08* 2.38 ± 0.09
female        
Controls 3.46 ± 0.36 n.s. 3.54 ± 0.30 n.s.
Inter. intensity SIT 2.77 ± 0.59 3.34 ± 0.59
High intensity SIT 3.61 ± 0.34 n.d.
Ct.Th.
male
Controls 2.28 ± 0.1 n.s. n.s. 1.57 ± 0.24 n.s. n.s.
Inter. intensity SIT 2.21 ± 0.15## 2.25 ± 0.24
High intensity SIT 2.67 ± 0.04*** 1.47 ± 0.07
female        
Controls 1.32 ± 0.22 n.s. 1.25 ± 0.25 n.s.
Int. intensity SIT 1.57 ± 0.49 0.80 ± 0.95
High intensity SIT 1.22 ± 0.25 n.d.

aOne-Way ANOVA compares the means between the various training groups and investigates the impact of the training on a given parameter; bTWO WAY ANOVA investigates the possible interaction between sex and training for a given parameter. All P-values were corrected for multiple comparisons. Main factors were sex and high vs intermediate training intensity. *comparison to controls is statistically significant, #comparison to high intensity SIT is statistically significant. Significance levels are: one symbol: P < 0.05; two symbols: P < 0.01; three symbols: P < 0.001.