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Risk ratios of victims of hypothermic cardiac arrest with survival as outcome and avalanche as reference category.
| Cause of HCA | Survivors | Non-survivors | Risk ratio | P–value |
|---|---|---|---|---|
| Avalanche | 9 | 44 | 1 (ref) | |
| Submersion. Child | 5 | 21 | 1.13 | 1.00 |
| Submersion adult | 15 | 24 | 2.26 | 0.030 |
| Exposure | 47 | 35 | 3.38 | 2.72e-06 |
P-values are from Fisher exact tests. HCA, hypothermic cardiac arrest.
