Table 3.
Post-test results in BLS-AED skills
| |
G1: n = 75 |
G2: n = 37 |
G3: n = 47 |
p |
|---|---|---|---|---|
| % | % | % | ||
| Safe approach performed |
73.7% |
78.1% |
84.1% |
0.45 |
| Arouse shout performed |
91.2% |
96.9% |
100.0% |
- |
| Shake performed correctly |
87.7% |
90.6% |
100.0% |
- |
| Shout for help performed |
75.4% |
68.8% |
70.5% |
0.76 |
| Open airway performed correctly |
70.2% |
78.1% |
97.7% |
<0.001 |
| Check for signs of circulation correctly |
59.7% |
71.9% |
88.6% |
0.004 |
| Phone for help performed |
87.7% |
96.9% |
97.7% |
- |
| Shout for AED |
29.8% |
28.1% |
27.3% |
0.96 |
| Start with chest compression |
93.0% |
96.9% |
93.2% |
- |
| Correct identification of place for chest compression |
93.0% |
93.8% |
95.5% |
- |
| Correct C:V Ratio (30:2) |
98.3% |
100.0% |
95.5% |
- |
| Knows when to stop BLS |
14.0% |
21.9% |
36.4% |
0.03 |
| No unnecessary breaks during BLS |
82.4% |
78.1% |
86.4% |
0.64 |
| Average ventilation volume in [500–1000] ml |
64.9% |
68.8% |
68.2% |
0.91 |
| Average compression depth in [40–50] mm |
42.1% |
34.4% |
40.9% |
0.76 |
| If AED requested |
n = 17 |
n = 9 |
n = 12 |
|
| Safe use of AED: |
81.3% |
33.3% |
81.8% |
- |
| Correct electrode pad placement | 68.8% | 66.7% | 100.0% | - |
G1: Control group, G2: Experimental group not using virtual patients, G3: Experimental group using virtual patients, p value in the χ2 test for 3×2 contingency table, reported if test assumptions were met.