Table 4. Multivariate logistic regression analysis of factors affecting diagnostic yield.
| Variables | Reference | Multivariate | |
|---|---|---|---|
| OR (95% CI) | P value | ||
| Age ≥70 (n=262) | <70 (n=169) | 1.139 (0.700–1.854) | 0.599 |
| Sex, male (n=238) | Female (n=193) | 0.769 (0.461–1.283) | 0.315 |
| ILD (n=69) | Without ILD (n=362) | 0.517 (0.270–0.988) | 0.046 |
| Size >20 mm (n=328) | ≤20 mm (n=103) | 1.413 (0.798–2.503) | 0.235 |
| Lobe upper lobe (n=193) | Others (n=238) | 0.815 (0.502–1.324) | 0.410 |
| Location, outer (n=201) | Inner (n=230) | 0.928 (0.572–1.507) | 0.763 |
| Structure, solid nodule (n=338) | Others (n=93) | 1.946 (1.116–3.393) | 0.019 |
| Bronchus sign positive (n=410) | Negative (n=21) | 0.959 (0.318–2.897) | 0.941 |
| Chest X-ray visible (n=401) | Invisible (n=30) | 1.995 (0.827–4.812) | 0.124 |
| EBUS image within (n=301) | Others (n=130) | 4.654 (2.771–7.816) | <0.001 |
OR, odds ratio; CI, confidence interval; ILD, interstitial lung disease; EBUS, endobronchial ultrasound.