Extramural Venous Invasion as Prognostic Factor of Recurrence in Stage 1 and 2 Colon Cancer

Table 1

Characteristics of missing patients.

Number of patients	8
Gender
Male	5	62.5%
Female	3	37.5%
Age	62.5	(52.3–73.1)
Charlson age index	3	(2–4.75)
T-stage
1	1	12.5%
2	0	0%
3	5	62.5%
4	2	25%
Differentiation
Poor	7	100%
Well	0	0%
Adjuvant treatment	7	87.5%
LVI/PNI	1	12.5%
Number of examined lymph nodes	7.5	(5–15.25)
Tumour location
Distal	5	62.5%
Proximal	1	12.5%
Synchronous	2	25%
Recurrence	3	37.5%
Overall survival	4.89	(3.25–8.34)
Recurrence-free survival	4.82	(1.76–8.14)
Cause of death
Alive	4	50%
Tumour	3	37.5%
Complication of treatment	0	0%
Other	0	0%
Unknown	1	12.5%

EMVI: extramural invasion; IMVI: intramural invasion; LVI/PNI: lymphovascular invasion/perineural invasion. Median and interquartile range.