Table 4. Results of multivariate logistic regression analyses for pulmonary hemorrhage, higher-grade pulmonary hemorrhage, and hemoptysis.

Variable	Odds ratio (95% CI)	P value
Multivariate analysis for pulmonary hemorrhage
Lesion location (Ref. = left upper lobe)
Left lower lobe	1.948 (1.209–3.138)	0.006
Left hilar	2.497 (0.749–8.329)	0.136
Right upper lobe	1.365 (0.922–2.022)	0.12
Right middle lobe	1.682 (0.734–3.853)	0.219
Right lower lobe	1.754 (1.125–2.734)	0.013
Right hilar	5.368 (1.518–18.986)	0.009
Lesion characteristics (Ref. = cavitary)
Solid	2.618 (1.196–5.728)	0.016
Subsolid	3.468 (1.405–8.561)	0.007
Consolidation	0.496 (0.146–1.679)	0.259
Lesion size ≤3 cm	1.628 (1.186–2.236)	0.003
Lesion depth (Ref. = ≤3 cm)
3–5 cm	4.558 (2.141–9.704)	<0.001
>5 cm	25.641 (12.276–53.56)	<0.001
Lung metastases	6.695 (2.618–17.122)	<0.001
Multivariate analysis for higher-grade pulmonary hemorrhage
mPAD/AAD ratio >1	1.871 (1.063–3.294)	0.03
Lesion size ≤3 cm	1.769 (1.081–2.897)	0.023
Lesion depth (Ref. = ≤3 cm)
3–5 cm	1.505 (0.468–4.84)	0.493
> 5 cm	5.88 (2.046–16.898)	0.001
Emphysema	2.81 (1.709–4.621)	<0.001
Lung metastases	6.687 (2.629–17.011)	<0.001
Multivariate analysis for hemoptysis
History of hypertension	2.507 (1.191–5.277)	0.016
Hemorrhage (Ref. = no hemorrhage)
Lower-grade pulmonary hemorrhage	3.065 (1.332–7.053)	0.008
Higher-grade pulmonary hemorrhage	10.39 (4.226–25.541)	<0.001

CI, confidence interval; Ref. Reference; mPAD, main pulmonary artery diameter; AAD, ascending aorta diameter.