Table 5. Multivariate analysis on logistic regression analysis with GGO size ≥1.5 and pleural retraction.

Variable	HR	95% CI	P value
GGO size ≥1.5	9.353	2.187–39.999	0.003
Pleural retraction	14.550	3.442–61.500	<0.001

GGO, ground glass opacity; HR, hazard ratio; CI, confidence interval.