Table 4 Predictors of a higher diagnostic yield. Odds ratio (95%CI) in multivariate analysis.
Biopsy (n = 201) | TBNA (n = 191) | Brushing (n = 187) | Aspiration (n = 356) | All (n = 363) | |
|---|---|---|---|---|---|
Endobronchial visibility | ** | ** | * | ** | ** |
Non-visible lesion | 1 | 1 | 1 | 1 | 1 |
Compression/constriction | 2.4 (0.8–7.0) | 1.2 (0.3–4.4) | 0.4 (0.1–1.5) | 0.8 (0.1–4.6) | 2.6 (1.3–5.2) |
Visible lesion | 10.8 (3.8–30.7) | 5.0 (1.4–17.5) | 3.1 (1.1–8.3) | 6.4 (1.9–20.9) | 17.0 (8.5–34.0) |
Tumor size | * | * | |||
<= 2 cm | 1 | 1 | 1 | 1 | 1 |
2–3 cm | 7.9 (1.4–45.1) | 0.8 (0.2–4.0) | 1.1 (0.2–7.3) | 2.2 (0.4–12.7) | 2.5 (0.8–7.9) |
3–4 cm | 9.4 (1.7–52.2) | 3.1 (0.6–15.3) | 2.8 (0.5–17.0) | 2.1 (0.3–13.6) | 6.7 (2.1–21.8) |
> 4 cm | 6.7 (1.5–30.6) | 2.0 (0.5–7.6) | 2.0 (0.4–10.9) | 1.0 (0.2–5.4) | 3.8 (1.3–10.7) |