Table 2.

Time Required to Complete the Biopsy Simulator according to the Experience Level of the Endoscopist

	Resident (n=14)	First-year clinical fellow (n=11)	Second-year clinical fellow (n=10)	Staff (n=5)
Duration of 1st trial, sec	598.2±248.2*	177.1±43.8†	131.2±27.8‡	122.0±60.3
Duration of 2nd trial, sec	487.6±244.1§	156.9±38.7||	117.9±27.4	92.8±17.3
Duration of 3rd trial, sec	372.6±122.3#	147.0±32.5**	109.4±27.6††	81.2±10.2
Duration of 4th trial, sec	345.6±100.5‡‡	130.0±33.3§§	104.7±20.3|| ||	79.2±16.9
Duration of 5th trail, sec	284.4±63.2	115.1±21.2##	100.3±16.8***	77.4±14.1
Mean duration of 5 trials, sec	417.7±138.8†††	145.2±31.5‡‡‡	112.7±21.9§§§	90.5±20.0

Data are presented as means±SD.

^*p<0.001 vs first-year clinical fellow group, p<0.001 vs second-year clinical fellow group, and p<0.001 vs staff group;

^†p=0.024 vs second-year clinical fellow group and p>0.05 vs staff group;

^‡p>0.05 vs staff group;

^§p<0.001 vs first-year clinical fellow group, p<0.001 vs second-year clinical fellow group, and p<0.001 vs staff group;

^||p=0.020 vs second-year clinical fellow group and p=0.003 vs staff group; p>0.05 vs staff group;

^#p<0.001 vs first-year clinical fellow group, p<0.001 vs second-year clinical fellow group, and p<0.001 vs staff group;

^**p=0.020 vs second-year clinical fellow group and p=0.001 vs staff group;

^††p=0.005 vs staff group;

^‡‡p<0.001 vs first-year clinical fellow group, p<0.001 vs second-year clinical fellow group, and p<0.001 vs staff group;

^§§p>0.05 vs second-year clinical fellow group and p=0.005 vs staff group;

^{|| ||}p=0.040 vs staff group; p<0.001 vs first-year clinical fellow group, p<0.001 vs second-year clinical fellow group, and p<0.001 vs staff group;

^##p>0.05 vs second-year clinical fellow group and p=0.005 vs staff group;

^***p=0.028 vs staff group;

^†††p<0.001 vs first-year clinical fellow group, p<0.001 vs second-year clinical fellow group, and p<0.001 vs staff group;

^‡‡‡p=0.010 vs second-year clinical fellow group and p=0.013 vs staff group;

^§§§p>0.05 vs staff group.