Table 1.

Demographics of patients undergoing CT-guided dye localization for surgery.

Variables	Single	Multiple	p
	(n = 337)	(n = 51)
Age (years)	58.6 ± 11.0	57.6 ± 10.4	0.542
Gender (male, %)	105 (31.2%)	19 (37.3%)	0.478
Smoking	87 (25.8%)	16 (31.4%)	0.399
Number of patients with
2 nodules		47
3 nodules		3
5 nodules		1
Position
Supine	221 (65.6%)	37 (72.5%)	0.410
Prone	116 (34.4%)	29 (56.9%)	0.003
Decubitus	0 (0%)	1 (2.0%)	0.131
Reposition during procedure		16 (31.4%)
Preoperative tentative diagnosis			0.476
Primary lung neoplasm	228 (67.7%)	40 (78.4%)
Metastasis	41 (12.2%)	6 (11.8%)
Infection/ inflammation	68 (20.2%)	5 (9.8%)
Procedure time (min)	7.6 ± 4.8	23.2 ± 9.4	<0.001
Time to operation (min)	163.2 ± 83.2	164.6 ± 83.8	0.913
Number of pleural puncture	1.02 ± 0.20	2.24 ± 0.71	<0.001
Pneumothorax	86 (25.5%)	24 (47.1%)	0.002
Operative time (min)
Total*	92.2 ± 65.2	88.8 ±57.7	0.722
Wedge resection**	63.6 ± 30.0	65.3 ± 36.0	0.770

Other primary lung neoplasm including carcinoid tumor, squamous cell carcinoma, lymphoepithelioma-like carcinoma.

^*total included anatomic resection.

^**wedge resection excluded patients underwent anatomic resection and thymothymectomy (n = 275 in single nodule group, n = 34 in multiple nodule group).