Preoperative PET/CT ¹⁸F-FDG Standardized Uptake by Lymph Nodes as a Significant Prognostic Factor in Patients with Colorectal Cancer

Table 2

Patient characteristics according to cancer recurrence.

Characteristics	Total ()	No recurrence ()	Recurrence ()
Age		66.41 ± 10.27	65.05 ± 11.34	0.618
Sex
Male	56	46	10	0.332
Female	34	25	9
Tumour location
Colon	44	32	12	0.161
Rectum	46	39	7
Tumour size		4.57 ± 1.92	5.04 ± 2.56	0.382
T stage
T1/2	17	16	1	0.023
T3	47	39	8
T4	26	14	12
Lymph node metastasis
No	63	51	12	0.464
Yes	27	20	7
Lymphovascular invasion
No	78	64	14	0.120
Yes	12	7	5
Tumour grade
Well/moderate	71	61	10	0.004
Poor	19	10	9
Adjuvant treatment
No	31	27	4	0.167
Yes	59	44	15
SUVTumor		20.52 ± 10.77	18.11 ± 9.75	0.409
SUVLN		2.22 ± 0.32	3.58 ± 0.87	0.015