Table 1 Mean scores at baseline and assessment 1 for the six un-coached assignments. Only paired data used. Mean Difference = the difference in mean baseline score and mean assessment score. p value obtained from a paired t test
| CPR performance | Mean baseline score (%) (SEM) | Mean assessment score (%) (SEM) | Mean difference (95% CI) | p value |
|---|---|---|---|---|
| Adult rescue CPR (n = 249) | 51.9 (1.6) | 66.4 (1.5) | 14.4 (10.7–18.2) | < 0.001 |
| Adult ventilations (n = 129) | 45.8 (3.1) | 72.8 (2.8) | 26.9 (20.0–33.9) | < 0.001 |
| Adult compressions (n = 205) | 67.0 (2.1) | 76.5 (1.9) | 9.5 (4.0–15.0) | < 0.001 |
| Infant 15:2 CPR (n = 206) | 41.6 (1.6) | 45.4 (1.7) | 3.8 (− 0.5–8.0) | 0.08 |
| Infant ventilations (n = 167) | 38.7 (2.3) | 57.8 (2.1) | 19.1 (13.5–24.7) | < 0.001 |
| Infant compressions (n = 163) | 55.0 (2.7) | 71.6 (2.6) | 16.5 (9.1–23.9) | < 0.001 |