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. 2021 Oct 26;74(3):1137–1147. doi: 10.1007/s13304-021-01195-0

Table 2.

Automatically measured mistakes made in each task by experience group

Status Contrast Task Geometric mean ratio 95% confidence interval P value
Lower Upper
Students 3D/HD–2D/4K 1 0.7452 0.5546 1.001 0.051
Students 3D/HD–2D/4K 2 0.8954 0.6664 1.203 0.4618
Students 3D/HD–2D/4K 3 0.3128 0.2328 0.4203  < 0.001
Students 3D/HD–2D/4K 4 1 0.7443 1.344 1
Experts 3D/HD–2D/4K 1 0.7464 0.4107 1.357 0.3301
Experts 3D/HD–2D/4K 2 1.167 0.6418 2.12 0.6067
Experts 3D/HD–2D/4K 3 0.2403 0.1322 0.4368  < 0.001
Experts 3D/HD–2D/4K 4 1 0.5502 1.817 1

The P value was calculated using the parametric mixed-effects model. The mean ratio approximately corresponded to the median. A P value < 0.05 was considered significant. For task 4 the automatically measured mistakes were not collected