Prognostic value of quality of life score in disease-free survivors of surgically-treated lung cancer

BMC Cancer

Table 1 Clinical and Socio-demographic characteristics and mortality of lung cancer survivors (n = 809)

Variable		No. of deaths/No. of participants	Crude HR	95 % CI		aHR^a	95 % CI
Age (years)	<65	33/426	1.00			1.00
	≥65	63/383	2.28	1.49	3.47	1.99	1.30	3.05
Sex	Female	10/187	1.00			1.00
	Male	86/622	2.71	1.41	5.22	2.34	1.21	4.53
Education	≥High school degree	20/205	1.00
	<High school degree	76/604	1.31	0.80	2.15	NS
Monthly Income(USD)	≥3,000	13/220	1.00
	<3,000	83/589	2.49	1.39	4.47	NS
Employment status	yes	30/315	1.00
	no	66/494	1.46	0.95	2.25	NS
Currently married	yes	89/744	1.00
	no	7/65	0.90	0.42	1.94	NS
Stage	stage 0–I	46/510	1.00			1.00
	stage II–III	50/299	1.92	1.29	2.86	1.80	1.20	2.70
Comorbidity	no	45/363	1.00
	yes	51/443	0.93	0.62	1.39	NS
BMI at the time of survey (kg/m2)	≥23	39/452	1.00			1.00
	<23	56/355	1.92	1.28	2.89	1.70	1.12	2.57
Alcohol Now	NO	75/623	1.00
	Yes	21/186	0.92	0.57	1.50	NS
Current smoking status	no	89/750	1.00
	yes	7/59	0.99	0.46	2.14	NS
MET	≥12.5	43/443	1.00			1.00
	<12.5	53/363	1.55	1.03	2.31	1.54	1.02	2.31
Type of treatment	Surgery	54/485	1.00
	Surgery and other^b	42/318	1.47	0.77	2.81	NS
Years from survey date to diagnosis date	≤3 years	37/343	1.00
	>3 years	59/466	1.20	0.79	1.80	NS

Abbreviations: HR hazard ratio, aHR adjusted hazard ratio, BMI body mass index, MET metabolic equivalent task
^aMultiple proportional hazard regression analysis adjusted with age, sex, education, income, employment status, stage, comorbidity, BMI, alcohol drinking, current smoking, MET, treatment type, years from survey date to diagnosis date
^bother was Radiotherapy and Chemotherapy

ISSN: 1471-2407