Table 1

Characteristics of study participants at baseline
Control n (%) RHB n (%) RHBM n (%)
Number of subjects 23 (32.4) 22 (31) 26 (36.6)
Sex
Female 4 (17.4) 4 (18.2) 5 (19.2)
Male 19 (82.6) 18 (81.8) 21 (80.8)
Working
Yes 5 (22.7) 6 (27.3) 7 (26.9)
Smoking habits
Smoker 8 (34.8) 7 (31.8) 9 (34.6)
Never smoked 2 (8.7) 0 (0.0) 1 (3.8)
Ex-smoker 13 (56.5) 15 (68.2) 16 (61.5)
MRCs dyspnea score category
0 11 (47.8) 7 (31.8) 4 (15.4)
1 11 (47.8) 11 (50.0) 17 (65.4)
2 1 (4.3) 2 (9.1) 5 (19.2)
3 0 (0.0) 1 (4.5) 0 (0.0)
4 0 (0.0) 1 (4.5) 0 (0.0)
Lag time enrolment to basal/ evaluation (days), mean (SD) 87.4 (85.1) 110.1 (103.2) 93.8 (89.5)
Age (years), mean (95%CI) 63.4 (60.4-66.4) 64.1 (59.9-68.2) 64.9 (62.1-67.7)
Body Mass Index, mean (95%CI) 28.4 (26.3-30.5) 27.6 (25.4-29.9) 29.8 (27.8-31.7)
CRQ, mean (95%CI)
Fatigue 5.7 (5.2-6.2) 5.3 (4.8-5.7) 5.2 (4.6-5.8)
Mastery 6.3 (5.7-7.0) 7.2 (6.3-8.1) 7.2 (6.2-8.2)
Dyspnea 2.5 (1.8-3.1) 3.0 (2.5-3.6) 3.0 (2.4-3.5)
Emotion 5.2 (4.6-5.8) 4.6 (4.0-5.3) 4.2 (3.6-4.8)
Pulmonary function mean (95%CI)
FVC (l) 74.0 (66.5-81.5) 73.7 (66.4-81.0) 73.4 (67.2-79.6)
FEV1 (l) 60.1 (55.6-64.4) 59.9 (54.9-64.8) 60.9 (56.3-65.5)
FEV1/FVC 59.1 (54.5-63.1) 60.8 (56.5-65.1) 61.2 (58.6-63.8)
Walking test (m), mean (95%CI) 436.2 (402.8-469.6) 466.7 (432.0-501.5) 450.7 (413.4 -488.1)
COPD exacerbation hospitalization
Yes n (%) 5 (21.7) 5 (22.7) 3 (11.5)
mean (95%CI) 0.6 (0.01-1.2) 0.8 (−0.1-1.8) 1.2 (0.21-2.19)
COPD exacerbation visit to family physician
Yes n (%) 12 (52.2) 9 (40.9) 7 (28)
mean (95%CI) 3 (−2.4-8.4) 0.5 (−0.01-0.9) 0.5 (−0.04-0.9)
COPD treatment with antibiotics or corticoids
Yes n (%) 11 (50) 8 (36.4) 9 (36)
mean (95%CI) 0.6 (0.01-1.2) 0.8 (−0.1-1.7) 1.2 (0.2-2.2)

l = litres; m = meters; CI = Confidence Interval; χ2 for categorical variables and ANOVA for continuous variables.

No significant between-group differences were found for any of the variables.

Román et al.

Román et al. BMC Family Practice 2013 14:21   doi:10.1186/1471-2296-14-21

Open Data