Table 3. Factors affecting survival of patients by using multivariate Cox proportional hazards model.

Variables		Adj. HR	95% CI		P value
MDT status
	Non-participants (ref.)
	Participants	0.49	0.41	0.57	<0.001
Propensity Score		0.00	0.00	0.01	<0.001
Cancer stage
	Stage I+II (ref.)
	Stage III+IV	2.68	2.55	2.82	<0.001
Interaction-MDT*Stage		1.18	1.13	1.24	<0.001
Gender
	Female (ref.)
	Male	1.35	1.31	1.39	<0.001
Age at diagnosed
	Under 44 (ref.)
	45–54	0.96	0.91	1.02	0.214
	55–64	0.97	0.92	1.03	0.383
	65–74	1.07	1.01	1.14	0.025
	Above 75	1.38	1.30	1.48	<0.001
Premium-based monthly salary (NTD)
	Under 17280 (ref.)
	Insured dependent	0.93	0.90	0.97	<0.001
	17281–22800	0.94	0.91	0.97	0.001
	Above 22801	0.79	0.76	0.82	<0.001
Urbanization of residence area
	Level 1 (ref.)
	Level 2&3	1.00	0.97	1.03	0.905
	Level 4&5	1.03	0.99	1.07	0.149
	Level 6&7	1.07	1.02	1.12	0.008
CCI score
	0–3 (ref.)
	4–6	2.09	1.98	2.21	<0.001
	Above 7	2.60	2.49	2.73	<0.001
Catastrophic illness/injury
	Without (ref.)
	With	1.00	0.96	1.05	0.887
Hospital level
	Medical center (ref.)
	Regional hospital	2.30	2.05	2.58	<0.001
	District hospital	2.05	1.82	2.31	<0.001
Hospital ownership
	Public (ref.)
	Private	1.81	1.69	1.93	<0.001
Service volume of hospital
	Low (ref.)
	High	1.69	1.49	1.90	<0.001
Service volume of attending physicians
	Low (ref.)
	High	0.80	0.77	0.82	<0.001

Event = Death.