Table 2 Execution of the T-CPR instructions
Check for breathing instruction | ||||
|---|---|---|---|---|
Original wording | Head tilt-chin lift instruction | |||
Percentage %, (Number) n = 14 | Percentage %, (Number) n = 27 | p-value | ||
Check for consciousness | No | 14.3% (2) | 0.0% (0) | 0.111 |
Yes | 85.7% (12) | 100.0% (27) | ||
Check for breathing | No | 35.7% (5) | 7.4% (2) | 0.035 |
Yes | 64.3% (9) | 92.6% (25) | ||
Head tilt-chin lift | No | 100.0% (14) | 29.6% (8) | < 0.001 |
Yes | 0.0% (0) | 70.3% (19) | ||
Check for breathing duration (MV ± SD in sec) | 1 ± 1 s | 4 ± 2 s | < 0.001 | |
Loudspeaker function activation | No | 0.0% (0) | 7.4% (2) | 0.539 |
Yes | 100.0% (14) | 92.6% (25) | ||
Removal of clothing | No | 7.1% (1) | 0.0% (0) | 0.341 |
Yes | 92.9% (13) | 100.0% (27) | ||
Rescuer position for chest compressions | Pelvis | 0.0% (0) | 0.0% (0) | 1.000 |
Head | 0.0% (0) | 0.0% (0) | ||
Shoulder | 0.0% (0) | 0.0% (0) | ||
Abdomen | 7.1% (1) | 7.4% (2) | ||
Chest | 92.9% (13) | 92.6% (25) | ||
Right angle to the manikin | No | 21.4% (3) | 22.2% (6) | 1.000 |
Yes | 78.6% (11) | 77.8% (21) | ||
Both knees with ground contact | No | 14.3% (2) | 3.7% (1) | 0.265 |
Yes | 85.7% (12) | 96.3% (26) | ||
Arms stretched | No | 21.4% (3) | 14.8% (4) | 0.673 |
Yes | 78.6% (11) | 85.2% (23) | ||