Table 5.

p-value of post hoc analysis for the comparison of LLFs in danger zone nodule

	Location of pulmonary nodule			Visibility score
	Apical vs. paramediastinal	Apical vs. retrodiaphragmatic	Paramediastinal vs. retrodiaphragmatic	Score 1 vs. 2	Score 1 vs. 3	Score 1 vs. 4	Score 2 vs. 3	Score 2 vs. 4	Score 3 vs. 4
DLD system	0.004*	0.079	0.901	0.488	0.189	0.011*	0.594	0.034*	0.107
Thoracic radiologists	0.579	0.998	0.687	0.405	< 0.001*	0.001*	< 0.001*	0.007*	0.536
Nonthoracic radiologists	0.082	0.029*	0.473	0.672	0.050	0.001*	0.0120*	< 0.001*	0.028*
Radiology residents	0.266	< 0.001*	0.007*	0.240	0.006*	< 0.001*	0.030*	< 0.001*	0.004*

DLD Deep learning-based nodule detection, LLF Lesion localization fraction

^*p < 0.05 was regarded as statistically significant