Table 3.

Effect of risk factors on survival of critically ill patients receiving vv-ECMO

Risk factor	Hazard ratio (95% CI)	p value
Viral pneumonia	0.49 (0.17–1.42)	0.188
Bacterial pneumonia	0.63 (0.317–1.27)	0.199
Age		0.003
18–49 years	1 (reference category)
50–59 years	3.44 (1.42–8.33)	0.006
≥ 60 years	3.85 (1.55–9.56)	0.004
Aspergillus diagnosis
Non-Aspergillus infection	1 (reference category)	0.067
Aspergillus colonisation	0.43 (0.06–3.32)	0.421
Putative IPA	3.31 (1.08–10.14)	0.036
Time on mechanical ventilation prior to vv-ECMO
< 48 h	1 (reference category)	0.028
48 h to 7 days	2.02 (0.91–4.54)	0.085
> 7 days	3.70 (1.37–9.98)	0.010