Table 1 Study population characteristics
From: Non-linear parameters of specific resistance loops to characterise obstructive airways diseases
Healthy | Asthma | COPD | |
|---|---|---|---|
Subjects, n | 22 | 22 | 90 |
Gender, M/F | 16/6 | 13/9 | 67/23 |
Age, years | 60 (59–63) | 34 (22–49) | 65 (58–71) |
BMI, kg/m2 | 24.8 (22.9–27.1) | 23.9 (22.3–26.9) | 23.6 (21.0–27.8) |
FEV1, %predicted | 114 (105–124) | 107 (93–123) | 47 (30–72) |
FEV1/FVC, % | 74.5 (71.8–77.5) | 77 (73–82) | 46.5 (32–58) |
DL,CO, %predicted | 94 (81–100) | 88 (81–99) | 51 (39–67) |
RV, %predicted | 101 (93–113) | 104 (92–112) | 147 (121–190) |
TLC, %predicted | 112 (106–118) | 106 (96–113) | 109 (99–127) |
FRC, %predicted | 120 (102–128) | 112 (103–120) | 142 (122–184) |
RV/TLC, % | 34.4 (32.2–36.8) | 27.4 (24.0–32.9) | 56.3 (41.6–62.7) |
RAW, %predicted | 86 (76–107) | 94 (77–109) | 239 (122–333) |
sGAW, %predicted | 155 (131–192) | 128 (108–171) | 47 (27–98) |