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

Table IV.

Specific metrics, by hours, for exercise 3 (Suture Sponge level 3)

Parameter 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] 250 ±30 240 ±35 231 ±32 245 ±34 270 ±31 Initial vs. 2 h, p = 0.032
2 h vs. final, p = 0.036
Initial vs. final, p = 0.042
Economy of motion [cm] 344 ±68 325 ±64 322 ±66 356 ±64 370 ±62 Initial vs. 2 h, p = 0.034
2 h vs. final, p = 0.037
Initial vs. final, p = 0.032
Instrument collision 2.5 ±0.5 2.3 ±0.7 2.3 ±0.5 2.6 ±0.5 2.8 ±0.4 Initial vs. 2 h, p = 0.07 – NS
2 h vs. final, p = 0.07 – NS
Initial vs. final, p = 0.06 – NS
Excessive force 0.3 ±0.02 0.2 ±0.04 0.3 ±0.05 0.4 ±0.04 0.6 ±0.02 Initial vs. 2 h, p = 0.2 – NS
2 h vs. final, p = 0.027
Initial vs. final, p = 0.032
Instruments out of view 0.81 ±0.15 0.78 ±0.2 0.71 ±0.2 1.35 ±0.1 1.42 ±0.2 Initial vs. 2 h, p = 0.034
2 h vs. final, p = 0.026
Initial vs. final, p = 0.032
Drops 0.2 ±0.02 0.2 ±0.01 0.1 ±0.02 0.3 ±0.03 0.6 ±0.03 Initial vs. 2 h, p = 0.028
2 h vs. final, p = 0.032
Initial vs. final, p = 0.042
Master workspace 7.3 ±1.3 6.8 ±1.2 6.5 ±1.2 7.4 ±1.3 9.3 ±1.1 Initial vs. 2 h, p = 0.038
2 h vs. final, p = 0.027
Initial vs. final, p = 0.032

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