Research Article

The Value of Combined Radial Endobronchial Ultrasound-Guided Transbronchial Lung Biopsy and Metagenomic Next-Generation Sequencing for Peripheral Pulmonary Infectious Lesions

Table 1

Baseline characteristics of study population.

GroupsTBLB groupR-EBUS-TBLB groupt/χ2 value value

Particients6061
Age ± 2SD (years)55.8 ± 12.555.4 ± 11.51.1680.243
Male/female38/2236/250.2370.626
Immunodeficiency
 Hematological malignancy34 (56.7)36 (59.0)0.0680.794
Lesion location n%
 Lower lobe27 (45.0)33 (54.1)2.5240.283
 Right upper lobe16 (26.7)18 (29.5)
 Left upper lobe17 (28.3)10 (16.4)
Leision size
 ≤3 cm19 (31.7)18 (29.5)0.0660.797
 >3 cm41 (68.3)43 (70.5)
Distance from the chest wall
 ≤3 cm22 (36.7)28 (45.9)1.0640.302
 >3 cm38 (63.3)33 (54.1)
CT findings
 Nodule or cavitation19 (31.7)28 (45.9)2.7200.257
 Confluent or patchy consolidation29 (48.3)22 (36.1)
 GGO12 (20.0)11 (18.0)
Complications
 Mild bleeding2 (3.3)1 (1.6)0.3590.549
 Pneumothorax2 (3.3)1 (1.6)0.3560.551
Final diagnosis
 Bacteria (mycobacteria excluded)30 (50)33 (54.1)
 Virus12 (20)11 (18)
 Fungus18 (30)21 (34.4)
 Atypical pathogen6 (10)7 (11.5)
 MTBC9 (15)10 (16.4)
Positivity of mNGS36 (60.0)48 (78.7)4.9770.026

GGO, ground-glass opacity. MTBC, mycobacterium tuberculosis complex. Data are presented as no. (%) or mean ± SD unless otherwise indicated.