Table 2 Chest compression quality of four groups (mean, 95%CI)
From: Comparison of the effects of using feedback devices for training or simulated cardiopulmonary arrest
95%CI | Group A (T-S-) | Group B (T-S+) | Group C (T + S-) | Group D (T + S+) | ANOVA (P) |
|---|---|---|---|---|---|
CC depth (cm) | 4.7 (4.4–5.1) | 5.0 (4.9–5.2) | 4.5 (4.2–4.8) | 5.1 (5.0-5.3) | 0.011 |
Adequate depth (%) | 33.6 (21.7–45.6) | 56.3 (46.5–66.1) | 32.8 (22.8–42.9) | 55.5 (49.0-62.1) | 0.000 |
CC rate (cpm) | 110.3 (106.9-113.7) | 111.2 (109.7-112.7) | 112.4 (109.7–115.0) | 112.3 (110.4-114.1) | 0.567 |
Adequate rate (%) | 68.5 (59.6–77.4) | 83.1 (78.1–88.1) | 71.5 (62.4–80.7) | 79.4 (73.4–85.3) | 0.017 |