Association of Training in Basic Life Support with the Evolution of Cardiopulmonary Resuscitation Performed by Firefighters
Table 4
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, until the time of exhaustion.
Variable
Average
SD
Minimum
Maximum
Total performance (%)
96.11
5.72
65
100
Quality of CTEs (%)
96.48
5.63
66
100
Contact of hands-on chest (%)
99.36
0.92
96
100
Test time (min)
5.64
4.94
1.43
20
Absence of CTEs (sec)
1.23
1.49
0
4
Correct hand position (%)
98.55
4.52
78
100
Total number of compressions
641.41
534.74
215
2379
Mean depth (mm)
55.82
4.05
49
67
Adequate chest return (%)
91.59
17.18
22
100
Compression force (%)
92.55
14.08
38
100
Adequate pace of CTEs (%)
83.09
28.28
0
100
Average CTEs per minute
112.09
7.69
93
140
Firefighter
Heart rate start
79.82
11.24
53
103
Final heart rate
108.46
17.07
68
154
PSE scale
4.8
1.52
2
9
PSE scale: perceived exertion scale; min: minutes. Note. Data are expressed as mean and standard deviation, in addition to the minimum and maximum parameters.