Table 2.
Blood haemoglobin and lung function parameters in the whole sample and in two groups of patients, together with corresponding statistical comparisons.
| Whole sample | Dyspnoea - | Dyspnoea + | p | |
|---|---|---|---|---|
| Hb (g/L) | 14.11±0.1 | 14.06 ± 0.4 | 14.14 ± 0.5 | 0.59 |
| SpO2 (%) | 97.2±1.8 | 97.8 ± 1.1 | 96.7 ± 1.6 | 0.77 |
| VC (% predicted) | 99.1±16.3 | 97.05 ± 12.1 | 99.14 ± 20.9 | 0.71 |
| FEV1 (% predicted) | 96.4±15.1 | 95.79 ± 11.5 | 96.57± 17.6 | 0.87 |
| DLCO (% predicted) | 83.7±16.9 | 90.5 ± 16.5 | 76.9 ± 15.6 | 0.011 |
| KCO (% predicted) | 89.1±11.6 | 94.3 ± 12.8 | 83.5 ± 9.1 | 0.0036 |
| DLNO (% predicted) | 82.3±16.9 | 91.7±14.0 | 77.9±15.9 | 0.022 |
| KNO (% predicted) | 96.1±11.5 | 99.7 ± 11.8 | 92.0 ± 10.9 | 0.038 |
| Vc (% predicted) | 56.2±13.1 | 62.5 ± 12.8 | 49.6 ± 10.2 | 0.001 |
| DLNO/DLCO (% predicted) | 116.6±9.1 | 111.4 ± 5.0 | 121.8 ± 8.6 | 0.001 |