Postoperative radiotherapy is effective in improving survival of patients with stage pIII-N2 non-small-cell lung Cancer after pneumonectomy

Table 1 Baseline Clinical Characteristics for Patients Treated with and without PORT

	Patients (N = 119)
	Total (n = 119)		PORT (n = 32)		Control (n = 87)		p-value
Clinical Characteristic	No.	%	No.	%	No.	%
Age, years							0.780
Median	53.0		53.5		52
range	27–73		36–64		27–73
Gender							0.364
Male	100	84.0	29	90.6	71	81.6
Female	19	16.0	3	9.4	16	18.4
Stage							0.740
IIIA	104	87.4	29	90.6	75	86.2
IIIB	15	12.6	3	9.4	12	13.8
Smoking index	540		600		450		0.127
Laterality							0.319
Left	93	78.2	27	84.4	66	75.9
Right	26	21.8	5	15.6	21	24.1
Pathology type							0.370
SCC	74	62.2	22	68.8	52	59.8
non-SCC	45	37.8	10	31.2	35	40.2
Pulmonary function before surgery
FEV1(L)	2.36		2.5		2.28		0.112
FVC%	79.0		82.15		78.6		0.345
Pathologic tumor size, cm							0.281
median	5.0		4.5		5.0
range	1.5–15.0		2.2–9.6		1.5–15.0
Large vascular invasion	17	14.3	4	12.5	13	14.9	0.966
LVSI	29	24.4	10	31.3	19	21.8	0.289
Nerve invasion	17	14.3	5	15.6	12	13.8	0.800
LN sampled							0.867
median	25.0		25.0		26.0
range	9–61		9–61		9–53
Positive LN sampled							0.115
median	6.0		7.5		6.0
range	1–33		2–33		1–25
Resection							0.031
R0	104	87.4	24	75.0	80	92.0
Non-R0	15	13.6	8	25.0	7	8.0

Abbreviation: PORT postoperative radiotherapy, SCC squamous cell carcinoma, LVSI lymph vascular space invasion, LN lymph node

ISSN: 1471-2407