Lung cancer
Conditions
Interventions
Universal screening group:All participants enrolled in the study will directly undergo universal LDCT screening without prior risk questionnaire assessment or stratification.
Two-stage high-risk screening group:All participants enrolled in the study will first undergo a lung cancer risk assessment using a screening questionnaire. Based on the risk scores, participants will
Sponsors
School of Public Health, Nanjing Medical University
Eligibility
Sex/Gender
All
Age
65 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Permanent residents within the jurisdictions of the two study areas. 2. Age >= 65 years. 3. Participation in the free annual health check-up under the Basic Public Health Service program. 4. Jiangdu group: Individuals who chose CT upgrading during the 2024 health check-up. Dongtai group: Individuals identified as high-risk for lung cancer through questionnaire assessment and who consented to undergo LDCT screening. 5. No prior history of confirmed lung cancer.
Exclusion criteria
Exclusion criteria: 1. Presence of other malignant tumors and currently receiving end-stage treatment. 2. Unwilling or unable to complete the questionnaire. 3. Clear contraindications for CT examination (e.g., severe allergy history or inability to cooperate with breath-holding during scanning).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Positive nodule rate;Early detection rate of lung cancer; | — |
Countries
China
Contacts
Public ContactYishu Liu
School of Public Health, Nanjing Medical University
Outcome results
None listed