Abstract P222 Table 1

Risk factors for futile thoracotomy

	Futile thoracotomy		Number of patients	p-Value
	Yes	No	Number of patients	p-Value
SUVmax^*
≥8	23	39	100	0.025
<8	6	32
Vascular invasion
Yes	25	45	171	0.036
No	21	80
Adenocarcinoma
Yes	22	63	171	0.863
No	24	62
Tumour size^†
≥3 cm	32	57	158	0.021
<3 cm	13	56
Sub-lobar resection
Yes	2	8	171	1.000
No	44	117
Gender
Male	32	73	171	0.217
Female	14	52

↵* 71 patients did not undergo pre-operative PET scan.
↵† Primary tumour size unavailable in 13 patients.