Table 2.

Results of the fine and gray model and tests of the proportional hazard assumption.

Covariate	Coefficient	Standard Error	P > |z|	HR	Lower 0.95	Upper 0.95	p(PH)
Age: 55–64	0.643	0.016	<0.0001	1.902	1.845	1.961	<0.0001
Age: 65–74	0.149	0.016	<0.0001	1.161	1.126	1.197	<0.0001
Age: ≥75	0.049	0.016	0.002	1.050	1.018	1.084	0.144
T2	1.685	0.031	<0.0001	5.393	5.075	5.731	0.386
T3	0.002	0.026	0.923	1.003	0.953	1.054	<0.0001
T4a	−0.128	0.025	<0.0001	0.880	0.837	0.924	0.009
T4b	0.056	0.018	0.002	1.058	1.022	1.095	0.544
N1a	1.119	0.017	<0.0001	3.063	2.964	3.166	0.039
N1b	−0.094	0.016	<0.0001	0.910	0.881	0.940	<0.0001
N2a	0.155	0.018	<0.0001	1.167	1.126	1.210	0.148
N2b	−0.031	0.018	0.081	0.969	0.935	1.004	0.984
Moderately differentiated	0.352	0.036	<0.0001	1.422	1.325	1.525	<0.0001
Poorly differentiated	−0.029	0.028	0.301	0.972	0.921	1.026	0.198
Undifferentiated	−0.046	0.016	0.005	0.956	0.926	0.986	<0.0001
Mucous adenocarcinoma	0.076	0.023	0.00101	1.079	1.031	1.129	0.981
Signet ring adenocarcinoma	0.378	0.051	<0.0001	1.459	1.320	1.614	0.743
Epidermoid carcinoma	0.511	0.205	0.013	1.667	1.116	2.490	0.095
Sarcoma	2.009	0.290	<0.0001	7.454	4.220	13.166	0.901
All other types	0.314	0.061	<0.0001	1.369	1.214	1.544	0.003
Left colon	0.007	0.018	0.704	1.007	0.972	1.042	<0.0001
Rectum	0.247	0.018	<0.0001	1.280	1.235	1.327	<0.0001

Proportional hazard assumption test: GLOBAL < 0.0001.