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Table 1 Characteristics of the patients

From: Factors leading to failure to diagnose pulmonary malignant tumors using endobronchial ultrasound with guide sheath within the target lesion

Variables Cases with Misdiagnosis (n = 8) Cases with correct diagnosis (n = 122) P values
Median age (range) 73 (37–83) 74 (31–95) 0.76
Sex    0.27
 Male 4 84  
 Female 4 38  
Lesion size (mm, median range) 27.8 (15.0–48.0) 32.9 (5.5–81.0) 0.30
Location    0.058
 Central 0 11  
 Intermediate 0 41  
 Peripheral 8 70  
Virtual bronchoscopic navigation, n(%) 8 (100%) 101 (82.8%) 0.35
Rapid on site cytology, n(%) 7 (87.5%) 89 (73.0%) 0.62
EBUS-image    0.04
 Type IIa 1 0  
 Type IIb 1 4  
 Type IIIa 4 57  
 Type IIIb 2 57  
 Unknown 0 4  
Final diagnosis    0.32
 Primary lung cancer 7 117  
 Malignant lymphoma 1 0  
 Metastatic lung cancer 0 5