Table 1.

Patients, lesions, and procedures

	No hemoptysis n=205	Any hemoptysis n=44	Mild hemoptysis n=24	Abundant hemoptysis n=20
Nonmodifiable parameters
Female gender	64 (31)	24 (54)	14 (58)	10 (50)
Age (years)	66.8±10.4	68.3±10.2	66.9±8.4	70.1±12.0
Lesion size (cm)	4.4±4.1	2.7±1.7	2.5±1.2	3.0±2.2
Nonperipheral location	96 (47)	26 (59)	15 (63)	11 (55)
Lower lobe location	67 (33)	20 (45)	12 (50)	8 (40)
Lesion morphology
Cavitated	12 (6)	3 (7)	3 (12)	0
Solid	177 (87)	39 (89)	21 (88)	18 (90)
Subsolid	5 (2)	1 (2)	0	1 (5)
Necrotic	11 (5)	1 (2)	0	1 (5)
Lesion attenuation (Hounsfield units)	37.2±19.9	39.3±25.5	32.5±19.6	49.4 (30)
Histologic type
Adenocarcinoma	76 (37)	22 (50)	11 (46)	11 (55)
Squamous cell carcinoma	29 (14)	4 (9)	2 (8)	2 (10)
Metastasis	23 (11)	5 (11)	4 (17)	1 (5)
Other tumor	39 (19)	7 (16)	3 (12)	4 (20)
Nontumoral	38 (19)	6 (14)	4 (17)	2 (10)
Modifiable parameters
Patient position
Prone	78 (38)	16 (36)	9 (37)	7 (35)
Supine	86 (42)	19 (43)	10 (42)	9 (45)
Contralateral decubitus	41 (20)	9 (20)	5 (21)	4 (20)
Ipsilateral decubitus	23 (11)	6 (14)	4 (17)	2 (10)
Transpulmonary needle-path length (cm)	1.5±1.6	2.5±1.9	2.4±1.9	2.5±1.9
Coaxial tip outside the target lesion	31 (15)	10 (23)	2 (8)	8 (40)
Lesion diameter along the needle path (cm)	2.3±1.7	1.7 ±1.3	1.6±0.8	1.9 ±1.7
<2.2 cm	119 (58)	34 (77)	18 (75)	16 (80)
Operator:
Operator 1	141 (69)	29 (66)	16 (67)	13 (66)
Operator 2	64 (31)	15 (34)	8 (33)	7 (34)
Number of per-procedure CT acquisitions until biopsy	2.0±1.3	2.7±1.8	2.5±1.7	3.0±1.9
Number of tissue sampling	2.9±1.0	2.5±1.1	2.6±1.6	2.3±1.0

Data are presented as n (%) or mean ± standard deviation.