Association of Training in Basic Life Support with the Evolution of Cardiopulmonary Resuscitation Performed by Firefighters
Table 2
Distribution of firefighters according to the variables of effectiveness of external chest compressions performed on a dummy, the subjective perception of effort and the heart rate of the participants, in two minutes.
Variable
Average
SD
Minimum
Maximum
Total performance (%)
96.98
4.08
81
100
Quality of CTEs (%)
97.25
3.65
81
100
Contact of hands-on chest (%)
99.77
1.22
92
100
Test time (min)
2.0
0.0
2
2
Absence of CTEs (sec)
0.11
0.39
0
2
Correct hand position (%)
98.68
4.01
82
100
Total number of compressions
221.68
15.08
183
259
Mean depth (mm)
55.77
3.45
50
61
Adequate chest return (%)
89.75
19.68
0
100
Compression force (%)
93.55
12.15
56
100
Adequate pace of CTEs (%)
85.09
26.18
0
100
Average CTEs per minute
110.48
7.1
92
129
Firefighter
Heart rate start
77.93
11.81
52
101
Final heart rate
99.68
17.59
66
150
PSE scale
3.0
0.96
1
5
PSE scale: perceived exertion scale; sec: seconds; min: minutes. Note. Data are expressed as mean and standard deviation, in addition to the minimum and maximum parameters.