Figures
- Fig. 1.—
Flow diagram of subject progress through the chronic obstructive pulmonary disease study of the Dept of Pulmonary Medicine, Enschede self-management study.
Tables
- Table 1
Baseline characteristics of the two treatment groups
Self-management group Control group Patients n 127 121 Age yrs 65±7 65±7 Male 85 84 BMI kg·m−2 27±4 27±4 Number of exacerbations in year preceding study 1.4±1.5 1.3±1.6 Smoking status Ex-smokers 72 74 Current smokers 28 26 Lung function post bronchodilation FEV1 L 1.71±0.56 1.76±0.54 FEV1 % pred of normal 56.1±15.4 58.4±14.5 VC L 3.89±0.85 3.77±0.84 Inhaled corticosteroid use 65 64 Long-acting β‐agonists use 46 45 Total score SGRQ 37±18 38±17 6‐min walking test m# 428±91 442±83 Education level Low 68 59 Moderate 21 23 High 11 18 -
Data are presented as mean±sd or % unless otherwise stated
-
All variables were measured at baseline unless otherwise stated
-
BMI: body mass index
-
FEV1: forced expiratory volume in one second
-
% pred: %predicted
-
VC: vital capacity
-
SGRQ: St George’s Respiratory Questionnaire
-
#: mean values were based on 122 and 118 patients in the intervention and control group, respectively
-
- Table 2
St George’s Respiratory Questionnaire (SGRQ) scores at each study time point and mean difference between both treatment groups
SGRQ Self-management group Control group Treatment effect# Baseline 6 month 12 month Baseline 6 month 12 month Δ 95% CI Patients n 127 124 122 121 117 113 Total 37.2±1.6 37.3±1.6 37.4±1.7 38.1±1.5 38.6±1.5 37.7±1.6 −0.6 −2.8–1.7 Symptoms 47.8±2.0 48.6±1.9 46.1±2.1 48.5±2.0 47.3±2.1 47.3±2.0 1.1 −2.5–4.8 Activity 50.7±2.3 50.8±2.2 51.4±2.3 52.9±1.9 52.1±2.0 52.3±2.0 −0.2 −3.2–2.8 Impact 26.2±1.6 25.7±1.6 26.4±1.7 26.5±1.6 28.1±1.5 25.8±1.6 −1.4 −3.9–1.1 -
Data are presented as mean±se unless otherwise stated
-
95% CI: 95% confidence interval
-
#: self-management-control
-
