Table 4.
Comparison of basic life support skills before and after retraining (n = 98)
| BLS component | Behavior | Before | After | p-value |
|---|---|---|---|---|
| Patient assessment | Check responsiveness | 97 (99.0) | 98 (100) | 1 |
| Check breathing | 32 (32.7) | 98 (100) | <0.001 | |
| Check pulse within 5~10 sec | 26 (26.5) | 98 (100) | <0.001 | |
| Shout for nearby help and active the EMS system/obtain an AED | 55 (56.1) | 98 (100) | <0.001 | |
| Chest compression | Compression:ventilation ratio for adults (30:2) | 7 (7.1) | 83 (84.7) | <0.001 |
| Hand placement on the lower half of the sternum | 12 (12.2) | 98 (100) | <0.001 | |
| Average compression depth to 50-60 mm* | 18 (39.1) | 37 (80.4) | <0.001 | |
| Average compression rate of 100-120/min | 59 (60.2) | 93 (94.9) | <0.001 | |
| Complete chest recoil | 61 (62.2) | 74 (75.5) | 0.026 | |
| Minimizing interruptions between chest compression (<10sec) | 8 (8.2) | 96 (98.0) | <0.001 | |
| Number of compressions in 2 cycles | 41 (41.8) | 78 (79.6) | <0.001 | |
| Ventilation | Adequate ventilation | 22 (22.4) | 88 (89.8) | <0.001 |
| Hyperventilation | 79 (80.6) | 88 (89.8) | 0.108 | |
| Number of ventilations in 2 cycles | 10 (10.2) | 85 (86.7) | <0.001 | |
| Using an AED | Turn on the power | 96 (98.0) | 98 (100) | 0.500 |
| Attach the pad correctly | 78 (79.6) | 98 (100) | <0.001 | |
| Clear from the patient for analysis | 23 (23.5) | 98 (100) | <0.001 | |
| Clear from the patient for shock delivery | 16 (16.3) | 98 (100) | <0.001 | |
| Deliver shock and continue chest compression | 65 (66.3) | 98 (100) | <0.001 |
Values are presented as number (%);
AED, automatic external defibrillator; BLS, basic life support; EMS, emergency medical service.
*There are missing data; the number of participants was 46.