Table 2.
Pulmonary function test values of enrolled subjects with COPD.
| Hypercapnia | Normocapnia | p Value | |
|---|---|---|---|
| (n = 22) | (n = 102) | ||
| FVC, L | 1.97 (1.40–2.57) | 2.89 (2.33–3.47) | <0.001 |
| %FVC, % | 65.85 (51.40–82) | 97.3 (84.85–110.07) | <0.001 |
| FEV1, L | 0.8 (0.66–1.31) | 1.73 (1.32–2.19) | <0.001 |
| %FEV1, % | 36.82 (29.1–62.95) | 74.7 (55.12–84.45) | <0.001 |
| FEV1%, % | 53.71 (31.88–68.94) | 63.15 (50.84–71.19) | 0.228 |
| PEF, L | 2.98 (2.54–4.18) | 5.11 (3.76–6.69) | 0.781 |
| %PEF, % | 39.20 (29.55–39.20) | 69.35 (48.02–81.15) | <0.001 |
| V50, L | 0.58 (0.21–1.43) | 1.15 (0.65–1.89) | 0.044 |
| %V50, % | 18.35 (7.15–67.75) | 35.05 (19.27–61.4) | 0.101 |
| V25, L | 0.14 (0.12–0.34) | 0.26 (0.16–0.42) | 0.006 |
| %V25, % | 18.1 (10.72–29.27) | 27.2 (16.22–39.57) | 0.015 |