Table 4.

Subgroup analysis according to the main diagnosis at ECMO therapy, depending on the type of ECMO

Variable	Multivariable model	P-value
	HR (95% CI)
Cardiovascular group
Control	1
Post-ECMO CRD	1.51 (1.10, 2.08)	0.011
Respiratory group
Control	1
Post-ECMO CRD	1.74 (0.77, 3.94)	0.185
Others
Control	1
Post-ECMO CRD	1.28 (0.94, 1.74)	0.112

ECMO extracorporeal membrane oxygenation, HR hazard ratio, CI confidence interval, CRD chronic respiratory disease