Research Article
Advanced Age as a Predictor of Survival and Weaning in Venoarterial Extracorporeal Oxygenation: A Retrospective Observational Study
Table 4
Hazard ratios with 95% confidence intervals about survival probability and ECMO weaning probability according to age.
| | Age < 50 | 50 ≤ age < 60 | 60 ≤ age < 70 | Age ≥ 70 |
| | Hazard ratios with 95% confidence intervals about survival probability according to age | Age < 50 | — | 1.87 0.99 to 3.54 | 2.90 1.70 to 4.97 | 5.71 3.38 to 9.65 | 50 ≤ age < 60 | 0.53 0.28 to 1.01 | — | 1.55 0.83 to 2.90 | 3.05 1.65 to 5.63 | 60 ≤ age < 70 | 0.34 0.20 to 0.59 | 0.65 0.35 to 1.21 | — | 1.97 1.18 to 3.27 | Age ≥ 70 | 0.18 0.10 to 0.30 | 0.33 0.18 to 0.61 | 0.51 0.31 to 0.84 | — |
| | Hazard ratios with 95% confidence intervals about ECMO weaning probability according to age | Age < 50 | — | 1.60 0.86 to 3.00 | 2.0 1.08 to 3.89 | 2.06 1.16 to 3.63 | 50 ≤ age < 60 | 0.62 0.33 to 1.17 | — | 1.28 0.65 to 2.50 | 1.28 0.70 to 2.34 | 60 ≤ age < 70 | 0.49 0.2570 to 0.9268 | 0.78 0.40 to 1.53 | — | 1.00 0.54 to 1.86 | Age ≥ 70 | 0.4865 0.28 to 0.86 | 0.78 0.43 to 1.42 | 1.00 0.54 to 1.85 | — |
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ECMO, extracorporeal membrane oxygenation.
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