Parameter | without PTX (n = 747) | with PTX (n = 49) | OR | 95% CI | p |
---|---|---|---|---|---|
Age (years) | 63 ± 13 | 66 ± 11 | 0.98 | 0.95–1.00 | 0.06 |
Male No. (%) | 430 (58) | 31 (63) | 1.27 | 0.70–2.31 | 0.46 |
BMI (kg/m2) | 28 ± 15 | 25 ± 5 | 1.09 | 1.02–1.16 | 0.01 |
No. of samples ≥4 No. (%) | 180 (24) | 19 (39) | 2.00 | 1.10–3.63 | 0.03 |
Indication to TBB | |||||
Nodular lesion (suspicion of tumour) No. (%) | 355 (47) | 30 (61) | 1.74 | 0.96–3.15 | 0.08 |
Diffuse lung disease (suspicion of pulmonary fibrosis) No. (%) | 173 (23) | 14 (29) | 1.33 | 0.70–2.52 | 0.49 |
Infiltrates of unknown etiology No. (%) | 162 (22) | 3 (6) | 0.24 | 0.07–0.77 | < 0.01 |
Other No. (%) | 57 (8) | 2 (4) | 0.52 | 0.12–2.18 | 0.42 |
Sampling location (pulmonary lobe) | |||||
Sample from RUL No. (%) | 124 (17) | 12 (25) | 1.63 | 0.83–3.21 | 0.17 |
Sample from RML No. (%) | 116 (15) | 6 (12) | 0.76 | 0.32–1.82 | 0.56 |
Sample from RLL No. (%) | 243 (33) | 9 (18) | 0.47 | 0.22–0.98 | 0.04 |
Sample from LUL No. (%) | 112 (15) | 14 (29) | 2.27 | 1.18–4.35 | 0.02 |
Sample from LLL No. (%) | 109 (14) | 5 (10) | 0.67 | 0.26–1.71 | 0.42 |
Sample from > 2 lobes No. (%) | 43 (6) | 3 (6) | 1.07 | 0.32–3.57 | 1.00 |
Emphysema No. (%) | 199 (27) | 19 (39) | 1.74 | 0.96–3.17 | 0.07 |
Smoking No. (%) | 412 (55) | 31 (63) | 1.40 | 0.77–2.55 | 0.30 |