Table 5.
Risk of PH—univariate analysis
| Parameter | Cut off | OR | 95% CI | p |
|---|---|---|---|---|
| Age (years) | 53 | 1.093 | 1.049–1.138 | 0.000019 |
| Pack-years | 1.75 | 1.036 | 1.008–1.065 | 0.01 |
| 6MWD (m) | 507.6 | 0.991 | 0.987–0.996 | 0.00016 |
| Sat 6 (%) | 93 | 0.888 | 0.821–0.961 | 0.003 |
| Desaturation (%) | 4 | 1.162 | 1.052–1.284 | 0.0032 |
| DLCO (%predicted) | 68 | 0.967 | 0.947–0.987 | 0.0015 |
| TLC/DLCO | 1.67 | 4.393 | 1.557–12.394 | 0.0052 |
| NT-proBNP (pg/ml) | 38 | 1.008 | 1.001–1.015 | 0.0259 |
DLCO diffusion lung capacity for carbon monoxide, 6MWD 6-min walk distance, NT-proBNP N-terminal brain natriuretic peptide, PH pulmonary hypertension, Sat 6 sixth minute room air oxygen saturation, TLC/DLCO: total lung capacity% predicted/diffusion lung capacity for carbon monoxide corrected for haemoglobin % predicted