pulmonary nodules
Conditions
Interventions
Gold Standard:Three sub-division radiologists with 15-20 years of diagnostic experience separately rated all CT images without time limitation.Pulmonary nodules confirmed by at least 2 radiologist wer
Index test:Diagnostic 
analysis 
of 
and 
artificial 
Sponsors
Zhejiang Provincial People's Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. The chest LDCT scan was performed on the patients with physical examination, and the thickness was 1.25-1.5mm thick; 2. Scanning specifications and clear images; 3. The nodule diameter is 3cm and below.
Exclusion criteria
Exclusion criteria: 1. Patients with basic lung diseases: after chest surgery, large area of lung infection, large amount of chest water, diffuse interstitial pneumonia, etc.; 2. Poor quality of image collection; 3. The diameter of the substantial lesion in the lung is greater than 3cm; 4. The number of pulmonary nodules is greater than 20.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pulmonary nodules;SEN, SPE, ACC, AUC of ROC; | — |
Countries
China
Contacts
Public ContactXiangyang GONG
Zhejiang Provincial People's Hospital
Outcome results
None listed