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Table 2 Impact of evaluated variables on survival of COPD patients in the three pulmonary rehabilitation programs according to Cox regression analysis (n = 193)

From: Retrospective survival in elderly COPD patients receiving pulmonary rehabilitation; a study including maintenance rehabilitation

 

HR(95% CI)

P-value

Age

1.06* (1.03 - 1.09)

< 0.001

Sex

0.88** (0.56 - 1.38)

0.57

BMI (kg/m2)

0.99 (0.95 - 1.03)

0.59

FEV1 % predicted

0.98*** (0.97 - 1.00)

0.01

PaO2 kPa (air)

0.88 (0.73 - 1.07)

0.21

PaCO2 kPa (air)

0.77 (0.59 - 1.01)

0.06

LTOT

2.18 (1.33 - 3.56)

0.005

PR program

  

  In-patient

0.89 (0.53 - 1.50)

0.65

  Out-patient

0.75 (0.44 - 1.28)

0.30

  Maintenance

1.0 (ref.)

 
  1. The variables were mutually adjusted for all other variables in the table.
  2. HR = hazard ratio; CI = confidence interval; LTOT = long term oxygen therapy;
  3. Ref. = reference; for other abbreviations see Table 1.
  4. *5 years; **Male served as reference; ***10%.