Table 5.

Cox proportional hazards analysis of cancer-specific death and all-causes death for subgroups of CRC patients

	Cancer-specific death			All-causes death
	HR	(95% CI)	P value	HR	(95% CI)	P value
Panel A: For CRC patients diagnosed after the introduction of the screening program
Program participation (Ref. group: Participants of the program)
Non-participants of the program	1.46	(1.12–1.91)	0.006	1.37	(1.05–1.77)	0.019
Gender (Ref. group: Female)
Male	1.24	(1.06–1.45)	0.008	1.23	(1.05–1.44)	0.01
Age at diagnosis (Ref. group: ≤65 yrs)
> 65 yrs	1.49	(1.28–1.74)	< 0.001	1.49	(1.28–1.73)	< 0.001
Sub-region (Ref. group: Rural)
Urban	0.96	(0.82–1.12)	0.589	0.95	(0.81–1.10)	0.475
Level of treatment hospital (Ref. group: Tertiary)
Secondary	1.5	(1.12–1.91)	< 0.001	1.49	(1.28–1.73)	< 0.001
TNM Stage (Ref. group: I + II)
III + IV	1.75	(1.58–1.94)	< 0.001	1.77	(1.60–1.95)	< 0.001
Panel B: For CRC patients who participated in the screening program
Screening policy compliance (Ref. group: Compliant to the screening policy)
Incompliant to the screening policy	2.93	(1.64–5.23)	< 0.001	3.29	(1.85–5.84)	< 0.001
Gender (Ref. group: Female)
Male	1.91	(1.13–3.22)	0.015	1.73	(1.06–2.84)	0.029
Age at diagnosis (Ref. group: ≤65 yrs)
> 65 yrs	1.11	(0.67–1.85)	0.674	1.18	(0.72–1.93)	0.506
Sub-region (Ref. group: Rural)
Urban	0.91	(0.53–1.56)	0.718	0.86	(0.51–1.46)	0.579
Level of treatment hospital (Ref. group: Tertiary)
Secondary	1.31	(0.80–2.14)	0.283	1.34	(0.84–2.15)	0.224
TNM Stage (Ref. group: I + II)
III + IV	8.55	(4.54–16.13)	< 0.001	7.55	(4.17–13.55)	< 0.001

Notes: Colorectal cancer, CRC; Hazard ratio, HR.