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Background For better understanding of the pathological changes of COVID‐19, benefiting clinical management of the disease and the preparation for future waves of similar pandemics. Methods Hematology parameters from a total of 52 cases of COVID‐19 admitted for treatment in a designated hospital were retrospectively analyzed. Data were analyzed by SPSS statistical software. Results Pre‐treatment T‐cell subsets, total lymphocytes, red blood cell distribution width (RDW), eosinophils, and basophils were significantly lower than that of post‐treatment, while the inflammatory indexes neutrophils, neutrophil to lymphocyte ratio (NLR), and C‐reactive protein (CRP) levels, as well as red blood cell (RBC) and hemoglobin, were significantly reduced after treatment. The T‐cell subsets, total lymphocytes, and basophils in severely and critically ill patients were significantly lower than those in moderately ill patients. Neutrophils, NLR, eosinophils, procalcitonin (PCT), and CRP was significantly higher in severely and critically ill patients than in moderately ill patients. CD3+, CD8+, total lymphocytes, platelets, and basophils in patients older than 50 were lower than that of those younger than 50, while neutrophils, NLR, CRP, and RDW in patients older than 50 were higher than that of younger than 50. There was a positive correlation among prothrombin time (PT), alanine aminotransferase (ALT), and aspartate aminotransferase (AST) in severely and critically ill patients. Conclusions T‐cell subsets, lymphocyte count, RDW, neutrophils, eosinophils, NLR, CRP, PT, ALT, and AST are important indicators in the management especially for severely and critically ill patients with COVID‐19.

The purpose of this study is to investigate the disease distribution of tuberculosis in national regional project. 960 patients were selected from national tuberculosis control program who took treatments in the Fourth People's Hospital Clinical Laboratory in Nanning Guangxi from January to November in 2013. Then we observed all those patients' disease distribution and analyzed all the lab test indexes. We analyzed the results according to gender and age distribution. From the age distribution, we found that the incidence was lower at the age of 40 or younger, while higher incidence occurred to patients over 40 years old. There is statistical significance comparing these two age groups. P is less than 0.001. Disease distribution: 731 patients were infected with TB; 21 patients were co-infected with tuberculosis (TB) and HIV. 196 patients were co-infected with TB and fungal. 12 patients were co-infected with TB, HIV and fungal. From the laboratory testing, we know there were 87 patients whose liver function indexes were abnormal. There were 192 patients whose blood RT indexes were abnormal. The liver function and blood RT indexes of patients with co-infection were higher than those infected purely. There is statistical significance in comparison P < 0.05. The study indicates that patients with older age are more likely infected with tuberculosis. In addition, there are a high proportion of patients with co-infection among these patients in this study. Meanwhile, the liver functions and blood RT indexes of patients combining with infection are higher than those infected TB purely. Prompt clinical prevention and treatment should be under reasonable inspections. General analysis can enable us to investigate more effective treatment plan. Then the best treatment result will be obtained.

Objective: To investigate the application of cystatin C combined with homocysteine detection in AIDS and tuberculosis complicated with hypertension. Methods: 57 patients with AIDS complicated with hypertension and 52 patients with tuberculosis complicated with hypertension from Guangxi Infectious Diseases Hospital Nanning Fourth People's Hospital/Guangxi AIDS Clinical Treatment Center (Nanning) from October 2022 to March 2023, and 196 patients with simple hypertension from Guangxi Cardiovascular Diseases Hospital Nanning Third People's Hospital were selected as research objects. And then the difference in the detection results of cystatin C and homocysteine among the three groups was compared. Results: The detection results of serum cystatin C and homocysteine in AIDS patients with hypertension and tuberculosis patients with hypertension were higher than those in the simple hypertension group, and the difference was statistically significant (P < 0.05). However, there was no significant difference in the detection results of cystatin C or homocysteine between the AIDS hypertension group and the tuberculosis hypertension group (P > 0.05). Conclusion: The detection of cystatin C combined with homocysteine has high clinical application value in AIDS with hypertension and tuberculosis with hypertension. When AIDS is combined with hypertension or tuberculosis is combined with hypertension, cystatin C and homocysteine are at a high level, while the concentration levels of cystatin C and homocysteine are relatively low in simple hypertension. Therefore, cystatin C combined with homocysteine detection can provide better laboratory evidence for clinical diagnosis and differential diagnosis, and is worth promoting and applying.