Smaller tumor size is associated with poor survival in T4b colon cancer

Table 2 Univariate analyses of patients from the Surveillance, Epidemiology and End Results database with T4bN0-2M0 colon cancer, stratified by tumor size

Cut-off	n	5-yr CSS	Log-rank χ2	P value
≤ 3	94	35.9%	3.710	0.054
> 3	1640	48.7%
≤ 4	274	37.1%	15.214	< 0.001
> 4	1460	50.0%
≤ 5	542	40.8%	18.235	< 0.001
> 5	1192	51.2%
≤ 6	845	43.3%	14.118	< 0.001
> 6	889	52.4%
≤ 7	1066	45.1%	7.303	0.007
>7	668	52.5%
≤ 8	1284	46.3%	3.877	0.049
> 8	450	52.5%
≤ 9	1422	46.9%	2.270	0.132
> 9	312	52.8%
≤ 10	1541	47.0%	5.061	0.024
> 10	193	55.8%