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

Table 3.

Time measured in seconds 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 0.5622 0.4859 0.6504  < 0.001
Students 3D/HD–2D/4K 2 0.8027 0.6939 0.9287 0.0033
Students 3D/HD–2D/4K 3 0.802 0.6932 0.9278 0.0032
Students 3D/HD–2D/4K 4 0.6053 0.5232 0.7002  < 0.001
Experts 3D/HD–2D/4K 1 0.6144 0.485 0.7783  < 0.001
Experts 3D/HD–2D/4K 2 0.9091 0.7177 1.152 0.4218
Experts 3D/HD–2D/4K 3 0.9446 0.7457 1.197 0.6303
Experts 3D/HD–2D/4K 4 0.7146 0.5641 0.9052 0.0063

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