Table 1.
Intervention
|
MBT group, n=22
|
LTA group, n=20
|
P-valuea | ||
---|---|---|---|---|---|
Patients | Mean | 95% CI | Mean | 95% CI | |
Age, years | 64.8 | 61.2–68.5 | 64.4 | 60.2–67.8 | 0.75 |
Sex, male:female | [18:4]b | – | [15:5]b | – | 0.71 |
Smoking habit, C:F:NS | {8:12:0}c | – | {9:11:0}c | – | 0.36 |
BMI, kg/m2 | 31.0 | 27.6–34.5 | 30.8 | 27.1–34.4 | 0.92 |
FEV1, % pred | 70.7 | 65.4–76.0 | 65.8 | 60.2–71.3 | 0.20 |
VC, % pred | 98.4 | 90.7–106.1 | 97.5 | 89.5–105.6 | 0.88 |
FEV1/VC, % | 56.0 | 51.7–60.4 | 55.7 | 50.2–59.4 | 0.69 |
TLC, % pred | 102.3 | 95.5–109.1 | 103.4 | 96.3–110.6 | 0.82 |
FRC, % pred | 113.1 | 100.2–125.9 | 120.9 | 107.4–134.4 | 0.41 |
RV, % pred | 113.4 | 97.5–129.3 | 122.5 | 105.8–139.2 | 0.43 |
DLCO/VA, % pred | 67.3 | 57.8–77.1 | 56.9 | 46.4–67.5 | 0.16 |
MIP, cm H2O | 88.8 | 80.8–96.8 | 79.2 | 70.4–87.6 | 0.10 |
PaO2, kPa | 10.2 | 9.8–10.6 | 9.6 | 9.2–10.0 | 0.06 |
PaCO2, kPa | 4.8 | 4.5–5.0 | 5.0 | 4.8–5.2 | 0.14 |
Notes:
P-value.
Counts in square brackets are compared by Fisher’s exact test.
Counts in curly brackets are compared by χ2.
Abbreviations: BMI, body mass index; C, current smoker; CI, confidence interval; COPD, chronic obstructive pulmonary disease; DLCO/VA, CO-diffusing capacity to alveolar volume ratio; F, former smoker; FEV1, forced expiratory volume in one second; FEV1/VC, Tiffeneau index; FRC, functional residual capacity measured by body box; LTA, leisure thermal activity; MBT, mud bath therapy; MIP, maximum inspiratory pressure, pressure can be generated against an occluded airway beginning at functional residual capacity; NS, non smoker; RV, residual volume; TLC, total lung capacity; VC, slow vital capacity.