TABLE 3.
Risk Factors for NTMLD Among Patients With COPD and Their Odds Ratios Associated With NTMLD Based on Logistic Regression
| Risk factors for NTMLD among COPD | Maximum likelihood estimates | Pr > chi-square | Odds ratio (had risk factor vs no) | 95% CI |
|---|---|---|---|---|
| Intercept | −3.1418 | < 0.0001 | — | — |
| ≥ 2 ID specialist visits | 0.9324 | < 0.0001 | 2.54 | 2.14-3.01 |
| ≥ 4 Pulmonologist visits | 1.6322 | < 0.0001 | 5.12 | 4.62-5.67 |
| Hemoptysis | 1.476 | < 0.0001 | 4.38 | 3.47-5.52 |
| Cough | 0.9064 | < 0.0001 | 2.48 | 2.24-2.74 |
| Emphysema | 0.6144 | < 0.0001 | 1.85 | 1.64-2.08 |
| Tuberculosis | 3.7594 | < 0.0001 | 42.92 | 23.98-76.84 |
| Lung cancer | 0.7344 | < 0.0001 | 2.08 | 1.75-2.49 |
| Idiopathic interstitial lung disease | 1.0391 | < 0.0001 | 2.83 | 2.44-3.27 |
| Underweight | 0.7938 | < 0.0001 | 2.21 | 1.91-2.56 |
| Pneumonia | 1.0828 | < 0.0001 | 2.95 | 2.65-3.29 |
COPD = chronic obstructive pulmonary disease; ID = infectious disease; NTMLD = nontuberculous mycobacterial lung disease; Pr = probability.