Table 3.
Factors for PH diagnosis among COPD patients based on logistic regression analysis.
| β | S.E. | Wald | df | P | OR | 95% CI. for OR | |
|---|---|---|---|---|---|---|---|
| RVD | 0.202 | 0.102 | 3.901 | 1 | 0.048 | 1.224 | 1.002–1.495 |
| TIMP-1 | 0.229 | 0.114 | 4.022 | 1 | 0.045 | 1.258 | 1.005–1.574 |
| RAD | 0.148 | 0.091 | 2.668 | 1 | 0.102 | 1.160 | 0.971–1.386 |
| Constant | −18.405 | 6.137 | 8.995 | 1 | 0.003 | 0.000 |
The P-value is the test of significance of the Wald statistic (calculated as the estimated coefficient (β) ratio to SEM2). df, Degrees of freedom; OR, odds ratio; 95% CI, 95% Confidence Interval.