|  | Total n = 534 |  | Convex n = 129 |  | Non-convex n = 405 | p value | |||
---|---|---|---|---|---|---|---|---|---|---|
Mean ± S.D | 95% CI |  | Mean ± S.D | 95% CI |  | Mean ± S.D | 95% CI | |||
VC | [L] | 3.12 ± 0.84 | [3.05–3.19] |  | 3.18 ± 0.81 | [3.04–3.32] |  | 3.10 ± 0.86 | [3.01–3.18] | 0.363 |
%VC | [%] | 103.2 ± 18.7 | [101.6-104.8] |  | 104.6 ± 18.6 | [101.3-107.8] |  | 105.6 ± 18.7 | [103.8-107.4] | 0.573 |
TV | [L] | 0.91 ± 0.37 | [0.87–0.94] |  | 0.94 ± 0.45 | [0.86–1.02] |  | 0.90 ± 0.34 | [0.86–0.93] | 0.246 |
ERV | [L] | 0.96 ± 0.48 | [0.92-1.00] |  | 0.95 ± 0.44 | [0.88–1.03] |  | 0.96 ± 0.49 | [0.91–1.01] | 0.872 |
%ERV | [%] | 76.5 ± 34.0 | [73.6–79.3] |  | 72.6 ± 31.3 | [67.2–78.0] |  | 77.7 ± 34.8 | [74.3–81.1] | 0.142 |
IRV | [L] | 1.25 ± 0.58 | [1.20–1.30] |  | 1.28 ± 0.54 | [1.19–1.37] |  | 1.24 ± 0.59 | [1.18–1.30] | 0.511 |
IC | [L] | 2.16 ± 0.64 | [2.10–2.21] |  | 2.22 ± 0.63 | [2.11–2.33] |  | 2.14 ± 0.64 | [2.07–2.20] | 0.207 |
FVC | [L] | 3.06 ± 0.85 | [2.98–3.13] |  | 3.11 ± 0.83 | [2.97–3.25] |  | 3.04 ± 0.85 | [2.95–3.12] | 0.395 |
%FVC | [%] | 92.4 ± 16.6 | [91.0-93.8] |  | 91.4 ± 17.3 | [88.5–94.4] |  | 92.7 ± 16.3 | [91.1–94.3] | 0.451 |
FEV1.0 | [L] | 2.26 ± 0.72 | [2.20–2.32] |  | 2.17 ± 0.74 | [2.05–2.30] |  | 2.28 ± 0.71 | [2.21–2.35] | 0.130 |
%FEV1.0 | [%] | 101.5 ± 23.4 | [99.5-103.4] |  | 96.2 ± 28.0 | [91.4–101.0] |  | 103.1 ± 21.5 | [101.0-105.2] | 0.003 |
FEV1.0/FVC | [%] | 73.7 ± 10.4 | [72.8–74.6] |  | 69.4 ± 13.1 | [67.1–71.6] |  | 75.0 ± 9.0 | [74.2–75.9] | 0.000 |
MMF | [L/s] | 2.02 ± 1.06 | [1.78–2.27] |  | 1.64 ± 0.83 | [1.26–2.03] |  | 2.10 ± 1.06 | [1.82–2.38] | 0.100 |
%MMF | [%] | 68.7 ± 28.5 | [62.2–75.2] |  | 58.3 ± 28.1 | [45.3–71.3] |  | 70.3 ± 25.1 | [63.7–77.0] | 0.091 |
PEF | [L/s] | 6.33 ± 2.34 | [5.80–6.86] |  | 5.54 ± 2.15 | [4.60–6.48] |  | 6.61 ± 2.36 | [5.99–7.24] | 0.079 |
%PEF | [%] | 83.6 ± 23.1 | [78.4–88.8] |  | 72.8 ± 24.8 | [61.9–83.7] |  | 87.5 ± 21.4 | [81.9–93.2] | 0.014 |
MVV | [L/min] | 68.6 ± 25.7 | [66.1–71.0] |  | 74.8 ± 30.3 | [69-80.6] |  | 81.0 ± 28.3 | [77.9–84.0] | 0.058 |
%MVV | [%] | 84.7 ± 24.7 | [82.4–87.0] |  | 92.2 ± 31.2 | [86.2–98.2] |  | 103.2 ± 27.1 | [100.3-106.1] | 0.001 |