Table 2.
Association of intervention and overall stress and stress level at different time points
| Intervention group | Control group | Difference (95% CI) | p | |
|---|---|---|---|---|
|
Stress/overload measures |
n=62 |
n=62 |
|
|
|
Intention-to-treat analysis (n=124) |
|
|
|
|
|
Overall stress/overload |
|
|
|
|
| Mean overall stress/overload during resuscitation, mean (SE) |
10.6 (±0.21) |
11.2 (±0.24) |
−0.6 (95% CI −1.3, -0.1) |
0.04 |
|
Stress/overload during different time points |
|
|
|
|
| Stress/overload at baseline, mean (SE) |
9.6 (±0.37) |
10.6 (±0.42) |
−1 (95% CI −2.1, -0.1) |
0.08 |
| Stress/overload during resuscitation, mean (SE) |
15.9 (±0.34) |
15.6 (±0.34) |
0.2 (95% CI −0.7, -1.2) |
0.66 |
| Stress/overload when patients awakes, mean (SE) |
9.3 (±0.41) |
10.4 (±0.48) |
−1.0 (95% CI −2.3, 0.2) |
0.1 |
| Stress/overload during debriefing, mean (SE) |
7.4 (±0.36) |
7.8 (±0.36) |
−0.4 (95% CI −1.4, 0.6) |
0.42 |
|
Per-protocol analysis n=108 |
n=46 |
n=62 |
|
|
|
Overall stress/overload |
|
|
|
|
| Mean overall stress/overload during resuscitation, mean (SE) |
10.4 (±0.26) |
11.2 (±0.24) |
−0.8 (95% CI −1.5, -0.1) |
0.02 |
|
Stress/overload during different time points |
|
|
|
|
| Stress/overload at baseline, mean (SE) |
9.1 (±0.37) |
10.6 (±0.42) |
−1.5 (95% CI −2.7, -0.4) |
0.01 |
| Stress/overload during resuscitation, mean (SE) |
15.5 (±0.43) |
15.6 (±0.34) |
−0.1 (95% CI −1.2, 0.9) |
0.79 |
| Stress/overload when patients awakes, mean (SE) |
9.4 (±0.52) |
10.4 (±0.48) |
−0.9 (95% CI −2.4, 0.5) |
0.18 |
| Stress/overload during debriefing, mean (SE) | 7.5 (±0.42) | 7.8 (±0.36) | −0.2 (95% CI −1.3, 0.8) | 0.66 |
SE denotes standard error; 95% CI confidence interval, Intention-to-treat analysis includes all randomized participants, per-protocol analysis includes only participants who followed the instructions in the intervention group.