• Liangliang Ma and Hailing Wu.
• Department of Infective Diseases, Beijing Geriatric Hospital, Beijing, China.
• J. Investig. Med. 2025 Jan 1; 73 (1): 758475-84.

AbstractThe current study was conducted aimed at exploring the clinical characteristics and distinguishing factors of patients with the novel coronavirus pneumonia (COVID-19) complicated with active pulmonary tuberculosis. A total of 354 patients with COVID-19 in our hospital from November 2022 to February 2023 were included in the present study, of whom 87 patients were also combined with active pulmonary tuberculosis. Significant differences were found in fever, fatigue, nasal congestion, nasal discharge, sore throat, expectoration, and weight loss between the two groups (p < 0.05). There were significant differences in the levels of leukocyte, neutrophil, lymphocyte count, monocyte, hemoglobin, C-reactive protein, and CD4/CD8 between the two groups (p < 0.05). There were significant differences in pulmonary consolidation, multifocal ground-glass opacities in both lungs and infiltrating shadows, "cavity" by CT imaging between the two groups (p < 0.05). The independent variables were set as the indicators with different results of clinical characteristics and CT imaging, including fever, fatigue, nasal congestion, nasal discharge, sore throat, expectoration, weight loss, leukocytes, count neutrophils and lymphocytes, monocytes, hemoglobin, C-reactive protein, CD4/CD8, pulmonary consolidation, multifocal ground-glass opacities in both lungs and infiltration shadows. Our findings have revealed that fever, fatigue, expectoration, leukocytes, neutrophils, monocytes, hemoglobin, C-reactive protein, lymphocytes, CD4/CD8, pulmonary consolidation, multifocal ground-glass opacities in both lungs, and infiltration shadows were the risk factors responsible for the patients with COVID-19 complicated with active pulmonary tuberculosis.

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