Table 4: Open in new tab Clinical risk...

	Multivariable model
Recipient sex
Female	1	[Reference]
Male	0.6	0.1–3.0	0.513	1.2
Transplant type
Bilateral	1	[Reference]
Single	0.8	0.1–6.7	0.824	2.2
Thoracic mediastinal-occupying ratio (%)
≤40	1	[Reference]
>40	7.3	1.3–40.1	0.023	1.0	7.2	1.3–38.9	0.021
Total ischaemic time per hour	1.1	0.6–2.2	0.672	2.1
ECMO use	6.2	0.6–63.8	0.127	1.9	8.2	1.1–59.9	0.037
Reoperation within 14 days after CLT	5.5	0.8–39.5	0.087	1.8	6.7	0.8–39.5	0.026

	Multivariable model
Recipient sex
Female	1	[Reference]
Male	0.6	0.1–3.0	0.513	1.2
Transplant type
Bilateral	1	[Reference]
Single	0.8	0.1–6.7	0.824	2.2
Thoracic mediastinal-occupying ratio (%)
≤40	1	[Reference]
>40	7.3	1.3–40.1	0.023	1.0	7.2	1.3–38.9	0.021
Total ischaemic time per hour	1.1	0.6–2.2	0.672	2.1
ECMO use	6.2	0.6–63.8	0.127	1.9	8.2	1.1–59.9	0.037
Reoperation within 14 days after CLT	5.5	0.8–39.5	0.087	1.8	6.7	0.8–39.5	0.026

Table 4:

Clinical risk factors for prolonged mechanical ventilation for >14 days after lung transplantation according to multivariable analysis

	Multivariable model
	Adjusted regression model				Backward stepwise regression model
Variable	Odds ratio for PMV	95% confidence interval	P-Value	VIF	Odds ratio for PMV	95% confidence interval	P-Value
Recipient sex
Female	1	[Reference]
Male	0.6	0.1–3.0	0.513	1.2
Transplant type
Bilateral	1	[Reference]
Single	0.8	0.1–6.7	0.824	2.2
Thoracic mediastinal-occupying ratio (%)
≤40	1	[Reference]
>40	7.3	1.3–40.1	0.023	1.0	7.2	1.3–38.9	0.021
Total ischaemic time per hour	1.1	0.6–2.2	0.672	2.1
ECMO use	6.2	0.6–63.8	0.127	1.9	8.2	1.1–59.9	0.037
Reoperation within 14 days after CLT	5.5	0.8–39.5	0.087	1.8	6.7	0.8–39.5	0.026

	Multivariable model
	Adjusted regression model				Backward stepwise regression model
Variable	Odds ratio for PMV	95% confidence interval	P-Value	VIF	Odds ratio for PMV	95% confidence interval	P-Value
Recipient sex
Female	1	[Reference]
Male	0.6	0.1–3.0	0.513	1.2
Transplant type
Bilateral	1	[Reference]
Single	0.8	0.1–6.7	0.824	2.2
Thoracic mediastinal-occupying ratio (%)
≤40	1	[Reference]
>40	7.3	1.3–40.1	0.023	1.0	7.2	1.3–38.9	0.021
Total ischaemic time per hour	1.1	0.6–2.2	0.672	2.1
ECMO use	6.2	0.6–63.8	0.127	1.9	8.2	1.1–59.9	0.037
Reoperation within 14 days after CLT	5.5	0.8–39.5	0.087	1.8	6.7	0.8–39.5	0.026

CLT: cadaveric lung transplantation; ECMO: extracorporeal membrane oxygenation; PMV: prolonged mechanical ventilation; VIF: variance inflation factor.

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