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.
Multivariate model for physician visits during the current 3-month interval
| Predictor | OR (95% CI) | p value |
|---|---|---|
| Age at baseline: for 1-year increment | 1.02 (1.00–1.03) | 0.012 |
| Sex: male vs. female | 0.73 (0.58–0.92) | 0.008 |
| FVC%pred at beginning of interval; for 1-unit increment | 0.99 (0.99–1.00) | 0.005 |
| Drop of 5 points in FVC%pred during interval: yes vs. no | 1.23 (1.03–1.47) | 0.02 |
CI confidence interval, FVC%pred force vital capacity percent predicted, OR odds ratio
