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Chest compression waveform patterns for the three experimental groups
| Group | Epoch | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
| 1 | WF 1 | WF 2 | WF 3 | WF 2 | WF 3 | WF 1 | WF 3 | WF 1 | WF 2 |
| 2 | WF 2 | WF 3 | WF 1 | WF 3 | WF 1 | WF 2 | WF 1 | WF 2 | WF 3 |
| 3 | WF 3 | WF 1 | WF 2 | WF 1 | WF 2 | WF 3 | WF 2 | WF 3 | WF 1 |
Each pattern was repeated three times
