Table 2.

Overall survival rates OAS (Kaplan-Meier) of patients with T4 UICC II colorectal cancer. Patients over 80 years of age were excluded

Group	Chemotherapy	Number		Overall survival rate OAS		Log-Rank
		Total	Events	5 years (%)	Median OAS (m)	P-value
All patients (deceased within 30 days excluded)	+ CTX	79	14	81.7	−	<0.001
	−CTX	161	56	51.7	63.3
Deceased within 60 days excluded	+ CTX	79	14	81.7	−	0.002
	−CTX	156	51	53.7	79.3
Deceased within 90 days excluded	+ CTX	79	14	81.7	95.5	0.006
	−CTX	152	47	55.4	79.3
Age at diagnosis < 60 years	+ CTX	25	5	90.9	−
	−CTX	24	4	70.0	−	0.726
Age at diagnosis 60 − 69 years	+ CTX	28	4	77.8	−	0,011
	−CTX	61	25	44.9	53.5
Age at diagnosis 70–79 years	+ CTX	26	5	77.0	–	0.064
	−CTX	76	27	52.0	63.6
Tumor grading G2	+ CTX	56	8	87.0	−	0.009
	−CTX	125	39	60.0	89.0
Tumor grading G3	+ CTX	23	6	68.9	95.5	0.014
	−CTX	36	17	23.4	42.9