Research Article

Intensive Intervention Improves Outcomes for Chronic Obstructive Pulmonary Disease Patients: A Medical Consortium-Based Management

Table 1

Baseline characteristics of subjects.

VariableControl groupManagement group

Subjects, n147141
Males, n (%)119 (81)123 (87)0.147
Age (years)73.73 ± 9.4773.76 ± 7.890.846
BMI (kg/m2)20.60 ± 3.4421.06 ± 3.490.036
Highest educational levels (higher school and above), n (%)5 (3)12 (8)0.019
Smoker, n (%)72 (49)67 (47)0.805
First onset age (years)59.04 ± 14.3461.07 ± 12.680.281
Pulmonary rehabilitation72 (49)77 (55)0.340
 Pursed-lips breathing23 (16)26 (18)0.530
 Average oxygen use per day (hours)1.17 ± 2.72.01 ± 3.490.031
 Medication regularity75 (51)68 (48)0.637
 Barthel ADL index (≥60)57 (39)73 (52)0.037
 mMRC grades (≥2), n (%)142 (97)138 (97)0.007
 CAT16.41 ± 4.8117.28 ± 4.470.018
Pulmonary function
 FEV1/FVC (%)55 ± 9.6351.6 ± 10.210.004
 FEV1/% predicted45.17 ± 18.6636.37 ± 15.312.190
 FVC/% predicted62.02 ± 19.4453.77 ± 16.740.000
 MEF251.46 ± 1.171.17 ± 0.950.006
 MEF500.78 ± 0.60.63 ± 0.550.000
 MEF750.37 ± 0.220.30 ± 0.190.000
GOLD-ABCD
A, n (%)1 (0.68)4 (2.84)0.208
B, n (%)53 (36.05)38 (26.95)0.101
C, n (%)4 (2.72)0 (0.00)0.123
D, n (%)89 (60.54)99 (70.21)0.107

BMI: body mass index; Barthel ADL index: Barthel index for activity of the daily living scale; mMRC: modified British medical research council; CAT: the COPD assessment test; FVC: forced vital capacity; FEV1: one second expiratory volume; MEF: mean expiratory flow; other lung diseases: including bronchial asthma, bronchiectasis, tuberculosis, silicosis, and lung cancer.