Univariate regression analysis of outcomes with regards to depth of cooling, variability at target temperature, warming rate, and time within cooling interval, with the coefficient expressing a log-OR, first without adjustment for impact of old age and subsequently with adjustment
| Temperature category | Coefficient | 95% CI | P value | Age-adjusted coefficient | Age adjusted 95% CI | Age-adjusted PI |
| Cooling depth | 0.16 | −1.05 to 1.39 | 0.79 | 0.34 | −0.92 to 1.74 | 0.60 |
| Variability | 0.20 | −1.97 to 2.27 | 0.85 | 0.38 | −1.84 to 2.55 | 0.72 |
| Warming rate | −0.02 | −0.08 to 0.03 | 0.38 | −0.04 | −0.11 to 0.01 | 0.15 |
| <35°C | −0.04 | −0.15 to 0.05 | 0.44 | −0.06 | −0.18 to 0.04 | 0.27 |
| 35°C to ≤36.5°C | 0.07 | 0 to 0.14 | 0.05 | 0.08 | 0.01 to 0.16 | 0.04 |
| >36.5 to <38.0°C | 0.00 | −0.03 to 0.04 | 0.84 | 0.01 | −0.03 to 0.05 | 0.52 |
| ≥38°C | −0.05 | −0.11 to 0.01 | 0.14 | −0.05 | −0.12 to 0.02 | 0.16 |