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Table 1 Comparison between the national cohort and the cohort from National Cheng Kung University Hospital (NCKUH)

From: Estimating the lifelong health impact and financial burdens of different types of lung cancer

  The national cohort The NCKUH cohort Pvalue*
Calendar years of collection 1998-2007 2005-2012  
Total number of patients 66,535 2,456  
Age at diagnosis, mean (SD) years 67.22 (12.10) 65.57 (12.57)  
Sex, no. of males (%) 45,098 (67.78) 1,457 (59.32)  
SCLC, no. of patients (%) 6,748 (10.14) 337 (13.72)  
   Life expectancy, mean (SE) years 1.43 (0.02) 1.44 (0.10) 0.906
   Lifetime healthcare expenditures per case,    
    NHI-reimbursed medical costs, mean (SE) $ 12,597 (703) 15,454 (1,520) 0.105
    Out-of-pocket medical costs, mean (SE) $ -- 4,797 (550)  
NSCLC, no. of patients (%) 59,787 (89.86) 2,119 (86.28)  
   Life expectancy, mean (SE) years 3.05 (0.01) 3.19 (0.05) 0.011
   Lifetime healthcare expenditures per case,    
    NHI-reimbursed medical costs, mean (SE) $ 18,660 (894) 21,965 (1,364) 0.049
    Out-of-pocket medical costs, mean (SE) $ -- 15,807 (872)  
  1. --: not applicable; SD: standard deviation; SE: standard error; NHI: National Health Insurance; NSCLC: non-small cell lung cancer; SCLC: small cell lung cancer.
  2. *Comparison using Z-statistic.