Table 2

Univariate and multivariable analysis of overall survival for patients with localised* NSCLC according to age, sex, histology, tumour size, comorbidity, and treatment

	Age <60	Age 60–69	Age 70–79	Age 80+	All ages
Total (n)	251	403	366	82	1102
Alive at 3 years (n)	154	198	117	7	476
Relative 3 year survival (%)	62%	52%	38%	13%	47%

	Overall 3 year survival (%) and univariate p values								Multivariable
	%	p value	%	p value	%	p value	%	p value	HR	p value
HR = hazard ratio for death; RT = radiotherapy.
*Stage I or II.
†Reference category.
Age
<60	61								0.84	0.1
60–69†			49						1
70–79					32				1.28	0.007
80+							8		1.31	0.07
Sex
Female†	69		51		43		18		1
Male	57	0.1	48	0.8	30	0.1	6	0.7	0.86	0.2
Histology
Squamous cell†	66		49		30		–		1
Adenocarcinoma	60		53		44		–		1.10	0.4
Large cell undifferentiated	37	0.1	38	0.5	24	0.03	–		1.08	0.4
Tumour size
T1†	78		69		42		–		1
T2	51	<0.001	39	<0.001	27	0.007	–		1.62	<0.001
Comorbidity
0†	53		53		38		10		1
1	66		48		33		4		0.94	0.5
2+	59	0.2	43	0.2	30	0.2	–	0.5	1.13	0.2
Treatment
RT†	–		21		10		–		1
Surgery±RT	63		57		47		–		0.49	<0.001
Other/none	–		–	<0.001	2	<0.001	–		1.35	0.02