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Hazard ratios (Fine and Gray) for refractory postresuscitation shock associated with each cluster
| Eventsa | HR | 95%CI | P value | |
|---|---|---|---|---|
| Cluster 1 | 140 | Reference | – | |
| Cluster 2 | 284 | 2.20 | 1.80–2.68 | < 0.001 |
| Cluster 3 | 171 | 2.82 | 2.26–3.50 | < 0.001 |
| Cluster 4 | 237 | 5.51 | 4.51–6.74 | < 0.001 |
HR hazard ratio, 95%CI 95% confidence interval
aDeaths due to refractory postresuscitation shock
