Table 2.
Quality of cardiopulmonary resuscitation (CPR) during assisted training with smart glasses (smart glasses-assisted) and post-test without assistance (N = 12).
| M1: while training with smart glasses |
M2: Unassisted post-test |
Significance (Effect size) |
|||
|---|---|---|---|---|---|
| Median | IQR | Median | IQR | ||
| Mean depth (cm) | 4.0 | (2.8–5.0) | 4.2 | (3.2–5.1) | p = 0.45* |
| Mean rate (CC/min) | 103 | (98–107) | 113 | (107–122) |
p = 0.001* (1.52)‡ |
| CC with correct release (%) | 24 | (1–79) | 33 | (7–92) | p = 0.61† |
| CC with correct depth (%) | 0 | (0–54) | 0 | (0–45) | p = 0.50† |
| CC with correct rate (%) | 66 | (34–87) | 81 | (31–97) | p = 0.61† |
| CC with correct compression point (%) | 100 | (1–100) | 100 | (18–100) | p = 0.29† |
| No CC time (in seconds) | 0.5 | (0.0–1.8) | 1.5 | (0.0–2.8) | p = 0.17† |
AED: Automated External Defibrillator; CC: Chest compressions. IQR: Interquartile range; † Wilcoxon’s signed ranked test (p < 0.05). * Student’s t test (p < 0.05) and ‡ Cohen’s d for Effect Size (in brackets).