To evaluate the impact of the 23-valent pneumonia vaccine on the incidence of pulmonary infection and survival in lung cancer patients, and to explore its preventive effect and safety in the lung cancer patients.
Study Type
OBSERVATIONAL
Enrollment
500
Receive the 23-valent pneumococcal vaccine; Do not receive the 23-valent pneumococcal vaccine
The incidence of pneumonia at 12 months
During the 12-month follow-up period, the incidence of pulmonary infection in lung cancer patients was evaluated through regular clinical examinations, imaging tests, and laboratory tests.
Time frame: 12 months
Incidence of pneumonia
The proportion of lung cancer patients who developed pneumonia during the study period.
Time frame: 24 months
Survival rate
The survival rate of lung cancer patients within a specific time period (such as 1 year, 2 years, or 5 years).
Time frame: 5 years
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