Efficacy of standardized training on a virtual reality simulator to advance knee and shoulder arthroscopic motor skills

Rahm, Stefan; Wieser, Karl; Bauer, David E.; Waibel, Felix WA; Meyer, Dominik C.; Gerber, Christian; Fucentese, Sandro F.

doi:10.1186/s12891-018-2072-0

Table 2 Overview of the metric pre- to posttraining results and the expert results

From: Efficacy of standardized training on a virtual reality simulator to advance knee and shoulder arthroscopic motor skills

Test; Task	Metric Parameter	Residents Pretraining Test (mean)	min	max	SD	Residents Posttraining Test (mean)	min	max	SD	Wilcoxon: pre-to-posttraining	Experts Test (mean)	min	max	SD	Mann-Whitney-U: Residents posttraining to experts
Knee: Diagnostic Arthroscopy	Time (sec)	254	77	571	133	121	79	219	39	< 0.001	118	71	174	50	0.621
Knee: Diagnostic Arthroscopy	Camera pathway (cm)	145	39	621	127	74	40	191	36	0.001	75	42	113	30	0.767
Knee: Removal of 6 rings	Time (sec)	159	77	367	83	97	55	203	40	0.001	65	53	73	8	0.029
	Camera pathway (cm)	50	18	174	42	32	12	79	19	0.048	20	14	27	5	0.169
	Hook pathway (cm)	107	38	343	76	82	27	350	74	0.067	53	39	84	19	0.243
Knee: Lateral partial meniscectomy	Time (sec)	332	128	952	235	149	109	231	35	< 0.001	134	87	191	50	0.408
	Camera pathway (cm)	147	53	665	159	70	35	200	35	0.001	87	47	135	35	0.243
	Punch pathway (cm)	42	20	77	16	33	17	60	12	0.057	46	22	77	25	0.447
Shoulder (BC): Diagnostic Arthroscopy	Time (sec)	439	201	728	189	186	91	425	79	< 0.001	60	31	95	25	< 0.001
Shoulder (BC): Diagnostic Arthroscopy	Camera pathway (cm)	627	152	3291	694	201	67	385	90	< 0.001	73	25	107	33	0.001
Shoulder (BC): Touching of 5 balls	Time (sec)	271	108	704	171	121	58	244	43	< 0.001	66	43	82	16	< 0.001
	Camera pathway (cm)	103	21	272	74	48	14	118	25	0.004	28	17	33	7	0.071
	Hook pathway (cm)	282	96	1018	233	101	55	286	54	< 0.001	59	33	80	21	0.035
Shoulder (LAT): Diagnostic Arthroscopy	Time (sec)	296	96	1026	213	151	77	399	72	0.005	70	51	99	18	< 0.001
Shoulder (LAT): Diagnostic Arthroscopy	Camera pathway (cm)	288	79	1152	237	145	62	385	74	0.004	73	57	81	9	0.003
Shoulder (LAT): Touching of 5 balls	Time (sec)	155	50	693	156	61	30	117	21	0.003	42	31	57	11	0.042
	Camera pathway (cm)	93	20	444	116	38	16	66	15	0.023	21	15	27	5	0.015
	Hook pathway (cm)	182	53	505	122	72	27	144	36	0.005	33	28	38	5	0.003

Complete overview of the results. The metric data are all seperately depicted using the mean, maximum, minimum and standard deviation. The p-value was calculated using the Wilcoxon signed rank test

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ISSN: 1471-2474

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