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

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

Variable   No. of deaths/No. of participants Crude HR 95 % CI aHRa 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 otherb 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   
  1. Abbreviations: HR hazard ratio, aHR adjusted hazard ratio, BMI body mass index, MET metabolic equivalent task
  2. 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
  3. bother was Radiotherapy and Chemotherapy