Table 4.

Usefulness

	Surgical residents n = 66	Expert surgeons n = 10	Experts vs. residents	Surgical residents vs. neutral value of 3	Experts vs. neutral value of 3
	Median [IQR]	Median [IQR]	p valuea	p valueb	p valueb
Usefulness of the LOIHR simulation model (Cronbach α = 0.824)	4.00 [3.00 – 5.00]	4.00 [3.00 – 5.00]	0.946	< 0.001*	< 0.001*
The LOIHR simulation model teaches the importance of performing the open inguinal hernia repair	4.00 [4.00 – 5.00]	4.00 [4.00 – 5.00]	0.717	< 0.001*	0.012*
The LOIHR simulation model teaches the importance of placing a tension-free mesh	4.00 [4.00 – 5.00]	4.50 [3.50 – 5.00]	0.414	< 0.001*	0.024*
The LOIHR simulation model is a useful tool to learn open inguinal hernia repair surgery	4.00 [4.00 – 5.00]	4.00 [3.75 – 5.00]	0.421	< 0.001*	0.018*
The LOIHR simulation model is useful for training of experts	3.00 [2.00 – 4.00]	3.50 [1.00 – 4.25]	0.838	0.590	0.903
The LOIHR simulation model is useful for training of surgical residents	4.00 [4.00 – 5.00]	4.50 [3.75 – 5.00]	0.817	< 0.001*	0.015*
The LOIHR simulation model is useful for training of medical students	4.00 [3.00 – 5.00]	3.50 [2.00 – 5.00]	0.487	< 0.001*	0.248

IQR interquartile range [Q1–Q3]

^*Statistically significant

^aAnalyzed using Mann Whitney U test

^bAnalyzed using one sample Wilcoxon signed rank test