Intervention(n = 31) | Control(n = 28) | |
Demographic data | ||
Gender (M:F) | 16:15 | 14:14 |
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 mass | 23.2 (7.2)† | 22.0 (6.4) |
Smoking status | ||
Ex-smokers | 18 (58%) | 14 (50%) |
Smokers | 11 (36%) | 13 (46%) |
Non-smokers | 2 (6%) | 1 (4 %) |
Disease severity and respiratory function | ||
FEV1 (% predicted) | 30.9 (12.8) | 32.7 (14.6) |
FEV1/FVC | 0.44 (0.14) | 0.45 (0.13) |
MRC dyspnoea score | 3 (1–5) | 4 (1–5) |
Social circumstances | ||
Lived with spouse/partner/family members | 20 (65%) | 18 (64%) |
Lived alone | 11 (35%) | 10 (36%) |
Co-morbidities | ||
Depression | 8 (26%) | 10 (36%) |
Hypertension | 11 (35%) | 6 (21%) |
Cardiovascular disease | 9 (29%) | 7 (25%) |
Gastro-oesophageal reflux | 3 (10%) | 8 (29%) |
Respiratory therapy | ||
Oral steroids | 3 (10%) | 1 (4%) |
β2-stimulants | 22 (71%) | 19 (68%) |
Bronchodilators | 19 (51%) | 18 (64%) |
Adrenostimulants | 10 (32%) | 6 (21%) |
Inhaled steroids | 23 (74%) | 19 (68%) |
Theophylline | 6 (19%) | 5 (18%) |
Long-term oxygen therapy | 7 (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 Score | 55.5 (19.6) | 61.9 (17.1) |
ADL score | 12 (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.