Table 3.
Correlation between PAP and Hb in COPD patients with pulmonary hypertension
| Correlation coefficient | P-value | |
|---|---|---|
| Smoker | −0.091 | 0.541 |
| Non-smoker | −0.146 | 0.351 |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.