Station-based deconstructed training model for teaching procedural skills to medical students: a quasi-experimental study

Figures & data

Table 1 Results of students’ self-scoring onto 17 prerequisite theoretic themes for selected basic surgical skills before and after tuition*

Theoretic themes	Group	n	Differences in scores before and after tuition	Standard deviation	P value
Common instruments used in surgical ambulatory procedures	A	164	5.35	2.64	0.001
	B	37	3.83	2.58
	C	66	4.16	2.72
Manner of using instruments in surgical ambulatory procedures	A	164	5.27	2.64	0.003
	B	37	3.97	2.35
	C	66	4.19	2.89
Common suturing strings and needles	A	164	5.31	3.10	0.001
	B	37	3.37	3.17
	C	66	4.40	2.90
Manner of using suturing strings and needles	A	164	5/07	3/21	0.011
	B	37	5.35	2.80
	C	66	4.68	3.02
Common disinfectant used in surgery	A	164	4.86	2.91	0.001
	B	37	2.62	3.18
	C	66	2.47	3.16
Traumatic wound examination principles	A	164	4.53	3.15	0.004
	B	37	3.13	3.03
	C	66	4.16	2.91
Preparing wounds for reconstruction	A	163	4.65	3.80	0.007
	B	37	3.45	3.27
	C	66	3.68	3.32
Drugs used in local anesthesia	A	164	4.87	3.08	0.008
	B	37	3.29	2.28
	C	66	4.03	3.15
Method of local anesthesia	A	164	2.52	3.10	0.001
	B	37	3.45	2.93
	C	66	4.42	3.16
Types of sutures and knots	A	164	5.90	2.67	0.001
	B	37	3.29	3.33
	C	66	5.39	2.84
Indications of suturing	A	164	5.43	2.67	0.001
	B	37	3.89	3.33
	C	66	5.22	2.84
Wound bandaging principles	A	164	4.51	3.01	0.001
	B	37	3.48	2.57
	C	66	4/63	3/07
Suturing cares	A	164	5.31	3.58	0.019
	B	37	3.21	3.12
	C	66	4.96	2.83
Insertion of nasogastric tubes	A	164	5.81	3.09	0.001
	B	37	3.64	2.80
	C	66	5.68	3.01
Urinary catheters	A	164	4.68	3.90	0.001
	B	37	3.16	3.24
	C	66	5.64	3.45
Indications and contraindications to urinary catheterization	A	164	4.72	3.20	0.001
	B	37	1.86	3.31
	C	66	4.00	2.91
Urinary catheterization manners	A	164	4.65	3.44	0.013
	B	37	3.32	2.95
	C	66	5.43	2.87

Note: *Total number of students = 268 (Group A 165, Group B 37, Group C 66).

Table 2 Differences of score averages for students’ perceived abilities by self-scoring before and after tuition on 10 microskills in stations according to their educational groups

Practical skill	Group	n	Differences of score averages, before and after tuition	Standard deviation	P value
Gloving	A	164	1.86	3.59	0.030
	B	37	1.36	2.11
	C	66	2.04	3.74
Using instruments	A	164	5.34	3.33	0.003
	B	37	3.82	2.41
	C	66	3.93	3.31
Local anesthesia	A	164	5.70	3.42	0.001
	B	37	2.94	3.25
	C	66	4.46	3.58
Suturing	A	164	5.89	2.99	0.001
	B	37	4.02	3.26
	C	66	4.30	3.41
Removal of sutures	A	164	4.23	4.22	0.001
	B	37	2.70	4.80
	C	66	2.42	4.21
Surgical knotting	A	164	5.90	3.61	0.002
	B	37	4.44	3.91
	C	66	4.09	3.62
Dressing of wounds	A	163	3.96	4.04	0.034
	B	37	2.22	3.14
	C	66	4.01	3.16
Male urinary catheterization	A	164	4.59	3.81	0.008
	B	37	3.50	3.1
	C	66	5.34	3.26
Nasogastric insertion	A	164	6.35	3.38	0.001
	B	37	4.58	3.50
	C	66	7.13	2.54
Female urinary catheterization	A	164	5.64	4.34	0.001
	B	37	6.88	3.54
	C	66	6.32	3.30

Table 3 The results of students’ self-assessments of their knowledge and practices before and after tuition in structured stations in the three groups

Training group	Type of training	Time of self-scoring		Students (n)	Samples (n)	Mean of score averages	Standard deviation	P value
		Before	After
A	Theoretic	*	*	165	330	3.13	1.63	0.001
				165	330	8.12	1.25
	Practical	*	*	163	326	3.23	2.18
				163	326	8.38	1.35
B	Theoretic	*	*	37	74	4.98	2.34	0.001
				37	74	8.24	1.40
	Practical	*	*	37	74	5.11	2.76
				37	74	8.64	1.65
C	Theoretic	*	*	66	132	3.65	2.43	0.001
				66	132	8.08	1.32
	Practical	*	*	66	132	3.75	2.52
				66	132	8.34	1.54

Table 4 Average scores for self-scoring of students on their knowledge and practices in basic surgical skills according to three paired training groups

Training group		Differences of score averages in practical domain	P value	Differences of score averages in theoretic domain	P value
A	B	1.39	0.014	1.67	0.001
A	C	0.34	0.001	0.50	0.354
B	C	1.05	0.016	1.17	0.029