Table 2.

Surgery, perioperative, and postoperative outcomes

Variable	n (%)/[range]	P value
Surgery, (VATS)		0.603
Lobectomy	14 (73.7)
n= RUL/RML/RLL/LUL/LLL	3/1/5/2/3
Sublobar resection	5 (26.3)
n=Trisegmentectomy/lingulectomy/subsegmentectomy/Wedge resection	2/1/1/1
Number of lymphadenectomy, median	20 [5-38]
Complete resection		1.000
R0	17 (89.5)
R2	2 (10.5)
Duration of surgery, median minutes	180 [60-380]	0.020
Blood loss, median ml	40 [10-550]	0.049
Postoperative complications		0.614
Bleeding	1 (5.3)
Thoracic empyema	1 (5.3)
Nil	17 (89.5)
30-day postoperative mortality	0 (0)
Median time to relapse, months	13 [6-41]
Relapse		<0.001
Alive without relapse	10 (52.6)
Alive with relapse	2 (10.5)
Died with relapse	7 (36.8)
T790M status
Positive	1 (5.3)
Negative	1 (5.3)
Unknown/not done	17 (89.4)
Recurrence pattern		<0.001
Intrathoracic recurrence/metastases	2 (10.5)
Distant metastases	3 (15.8)
Intrathoracic and distant metastases	4 (21.1)
Nil	10 (52.6)
Postoperative adjuvant therapy		0.129
TKI	13 (68.4)
Non-TKI	6 (31.6)

VATS video-assisted thoracoscopic surgery, RUL right upper lobe, RML right middle lobe, RLL right lower lobe, LUL left upper lobe, LLL left lower lobe, TKI tyrosine-kinase inhibitor