Table 1.

Demographics of training group and control group.

	TG	CG
	N	N	P-value
Sex (male/female)	13/17	14/16	NS
Handedness (right/left)	24/6	23/7	NS
Exposure to instrument (yes/no)	19/11	3/7	NS
Interest in MIS∗ (yes/no)	7/23	5/5	NS
Experience with video games (years/hours)	15/15	6/4	NS
Experience with playing billiards (a lot/little)	9/21	5/5	NS
Experience with laparoscopic simulator training (yes/no)	19/11	0/30	.001
Assistant in laparoscopic surgery (yes/no)	19/11	3/27	.001
Observing laparoscopic surgery (yes/no)	28/2	13/13	.001
Age (years), median	25.3 ± 2.8	23.8 ± 1.8	.04

CG = control group; MIS = minimally invasive surgery; NS = not significant; TG = training group.