Table 4 Odds ratios for 7-day mortality at different levels of CO2, adjusted for confounders: Age, sex, and Charlson’s comorbidity index
CO2 (kPa) | Odds ratio (95% CI) |
|---|---|
2.0 | 13.26 (3.96–44.41) |
3.0 | 4.29 (2.19–8.42) |
4.0 | 1.54 (1.20–1.97) |
5.0 (reference) | 1 |
6.0 | 1.50 (0.93–2.41) |
7.0 | 1.85 (1.11–3.09) |
8.0 | 2.10 (1.26–3.48) |
10.0 | 2.92 (1.67–5.10) |
12.0 | 4.41 (2.57–7.57) |
15.0 | 8.39 (4.26–16.55) |