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. 2020 Feb 24;15(2):298–304. doi: 10.5114/wiitm.2020.93201

Table III.

Specific metrics, by hours, for exercise 2 (Energy Dissection level 2)

Paramter Initial results Mean value ± SD After 1 h of activity Mean value ± SD After 2 h of activity Mean value ± SD After 3 h of activity Mean value ± SD Final results (after 4 h of activity) Mean value ± SD Statistical significance
Time to complete [s] 102 ±21 99 ±17 96 ±23 105 ±25 120 ±23 Initial vs. 2 h, p = 0.028
2 h vs. final, p = 0.043
Initial vs. final, p = 0.035
Economy of motion [cm] 157 ±26 153 ±28 148 ±29 159 ±31 169 ±30 Initial vs. 2 h, p = 0.027
2 h vs. final, p = 0.026
Initial vs. final, p = 0.042
Instrument collision 0.5 ±0.1 0.3 ±0.07 0.4 ±0.08 0.5 ±0.08 0.6 ±0.09 Initial vs. 2 h, p > 0.05 – NS
2 h vs. final, p > 0.05 – NS
Initial vs. final, p > 0.05 – NS
Excessive force 0.26 ±0.04 0.23 ±0.07 0.21 ±0.06 0.29 ±0.04 0.34 ±0.03 Initial vs. 2 h, p = 0.034
2 h vs. final, p = 0.032
Initial vs. final, p = 0.036
Instruments out of view 0.2 ±0.02 0.1 ±0.05 0.2 ±0.04 0.4 ±0.04 0.5 ±0.05 Initial vs. 2 h, p > 0.05 – NS
2 h vs. final, p = 0.038
Initial vs. final, p = 0.037
Misapplied energy time 6.1 ±1.2 5.8 ±1.4 5.7 ±1.2 6.4 ±1.2 6.5 ±1.1 Initial vs. 2 h, p > 0.05 – NS
2 h vs. final, p > 0.05 – NS
Initial vs. final, p > 0.05 – NS
Master workspace 14.9 ±3.2 14.4 ±3.1 13.9 ±3.4 14.6 ±3.3 16.2 ±3.1 Initial vs. 2 h, p = 0.032
2 h vs. final, p = 0.029
Initial vs. final, p = 0.036

Bold values for statistically significant values; NS – no statistical significance.