TABLE 2.

Distance and total workload: First and second colonoscopies

	ImagerFirst and ImagerSecond groups’ scopes
	First (n=19)	Second (n=19)	P*
Mean distance, cm	29.0	37.4	0.006
Total workload†	404.5	371.4	0.116

^*Paired t test;

^†Total workload measured using the National Aeronautics and Space Administration task load index