Table 2 Patient characteristics at baseline (n = 59)
Intervention(n = 31)Control(n = 28)
Demographic data
    Gender (M:F)16:1514:14
    Age (years)68.9 (48–89)69.2 (46–85)
    Weight (kg)54.5 (7.3)53.5 (8.5)
    Height (m)1.65 (0.1)1.66 (0.1)
    BMI (kg/m2)19.9 (1.4)19.5 (1.9)
    Unintentional change from usual weight (kg)−8.0 (5.2)−9.2 (6.2)
    % fat mass23.2 (7.2)†22.0 (6.4)
Smoking status
    Ex-smokers18 (58%)14 (50%)
    Smokers11 (36%)13 (46%)
    Non-smokers2 (6%)1 (4 %)
Disease severity and respiratory function
    FEV1 (% predicted)30.9 (12.8)32.7 (14.6)
    FEV1/FVC0.44 (0.14)0.45 (0.13)
    MRC dyspnoea score3 (1–5)4 (1–5)
Social circumstances
    Lived with spouse/partner/family members20 (65%)18 (64%)
    Lived alone11 (35%)10 (36%)
Co-morbidities
    Depression8 (26%)10 (36%)
    Hypertension11 (35%)6 (21%)
    Cardiovascular disease9 (29%)7 (25%)
    Gastro-oesophageal reflux3 (10%)8 (29%)
Respiratory therapy
    Oral steroids3 (10%)1 (4%)
    β2-stimulants22 (71%)19 (68%)
    Bronchodilators19 (51%)18 (64%)
    Adrenostimulants10 (32%)6 (21%)
    Inhaled steroids23 (74%)19 (68%)
    Theophylline6 (19%)5 (18%)
    Long-term oxygen therapy7 (23%)3 (11%)
Nutrient intake (diet history method)
Energy (kcal/day)1974 (371)1931 (425)
Protein (g/day)68.5 (11.6)66.1 (11.6)
Quality of life and functional status
    SGRQ Total Score55.5 (19.6)61.9 (17.1)
    ADL score12 (7–18)12 (8–18)
  • Values are mean (SD) for weight, height, BMI, unintentional weight change, % fat mass, FEV1 (% predicted), FEV1/FVC, nutrient intake and SGRQ Total Score; mean (range) for age; median (range) for MRC dyspnoea and ADL scores; number (%) patients for smoking status, respiratory therapy, social circumstances and co-morbidities.

  • †n = 30 as one patient did not consent to measurement.

  • ADL, Activities of Daily Living; BMI, body mass index; FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity; SGRQ, MRC, Medical Research Council; St George’s Respiratory Questionnaire.