Haematological markers as predictive tools for tuberculosis in PLHIV: a retrospective cohort study in Gujarat, India
Abstract Background Tuberculosis (TB) remains a significant health challenge among people living with HIV (PLHIV), underscoring the need for early diagnosis and prompt treatment. Hematological parameters have emerged as potential markers for predicting and monitoring TB disease. This study aimed to...
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2025-02-01
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| Online Access: | https://doi.org/10.1186/s12879-025-10625-y |
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| author | Yogesh M Roshni Vamja Parth Anilbhai Parmar Naresh Makwana R Naveen Shyam Sundar |
| author_facet | Yogesh M Roshni Vamja Parth Anilbhai Parmar Naresh Makwana R Naveen Shyam Sundar |
| author_sort | Yogesh M |
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| description | Abstract Background Tuberculosis (TB) remains a significant health challenge among people living with HIV (PLHIV), underscoring the need for early diagnosis and prompt treatment. Hematological parameters have emerged as potential markers for predicting and monitoring TB disease. This study aimed to assess the utility of hematological parameters in predicting TB disease among PLHIV. Methods This retrospective cohort study was conducted at an Antiretroviral Therapy (ART) Centre in Gujarat, India, including PLHIV registered between January 2018 and March 2024. Hematological parameters, including hemoglobin levels, platelet counts, white blood cell differentials, and derived ratios (monocyte-lymphocyte ratio [MLR] and neutrophil-lymphocyte ratio [NLR]), were extracted from medical records. TB diagnosis was based on bacteriological confirmation or clinical criteria. Cox proportional hazards models and Kaplan-Meier survival analyses were performed to assess the association between hematological parameters and TB disease, adjusting for potential confounders. Results Among 810 PLHIV, 202 (25%) had TB disease. PLHIV with TB had a higher prevalence of anemia (91.6% vs. 60.0%, p < 0.001), leucocytosis (16.3% vs. 7.6%, p = 0.0004), and neutrophilia (25.2% vs. 9.4%, p < 0.0001) compared to those without TB. A higher MLR ratio (> 0.23) was associated with an increased risk of TB (HR: 5.44, 95% CI: 3.94–7.50, p < 0.001), independent of anemia. Anemia was also an independent predictor of TB (HR: 4.37, 95% CI: 2.72–7.02, p < 0.001). Conclusions Hematological parameters, particularly MLR ratio and anemia status, showed strong associations with TB disease among PLHIV. An MLR > 0.23 was associated with a 5.44-fold increased risk of TB, while anemia increased the risk by 4.37-fold. These readily available and cost-effective markers could enhance early TB detection and risk stratification in PLHIV, especially in resource-limited settings. Integration of these parameters into existing screening protocols may improve targeted interventions and patient outcomes. |
| format | Article |
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| institution | DOAJ |
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| language | English |
| publishDate | 2025-02-01 |
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| spelling | doaj-art-e4394a544a77452eb8b30d81a597a2452025-08-20T02:51:23ZengBMCBMC Infectious Diseases1471-23342025-02-0125111210.1186/s12879-025-10625-yHaematological markers as predictive tools for tuberculosis in PLHIV: a retrospective cohort study in Gujarat, IndiaYogesh M0Roshni Vamja1Parth Anilbhai Parmar2Naresh Makwana3R Naveen Shyam Sundar4Department of Community Medicine, Shri M P Shah Government Medical CollegeDepartment of Community Medicine, Shri M P Shah Government Medical CollegeDepartment of Community Medicine, Shri M P Shah Government Medical CollegeDepartment of Community Medicine, Shri M P Shah Government Medical CollegeDepartment of Community Medicine, Mahatma Gandhi Institute of Medical SciencesAbstract Background Tuberculosis (TB) remains a significant health challenge among people living with HIV (PLHIV), underscoring the need for early diagnosis and prompt treatment. Hematological parameters have emerged as potential markers for predicting and monitoring TB disease. This study aimed to assess the utility of hematological parameters in predicting TB disease among PLHIV. Methods This retrospective cohort study was conducted at an Antiretroviral Therapy (ART) Centre in Gujarat, India, including PLHIV registered between January 2018 and March 2024. Hematological parameters, including hemoglobin levels, platelet counts, white blood cell differentials, and derived ratios (monocyte-lymphocyte ratio [MLR] and neutrophil-lymphocyte ratio [NLR]), were extracted from medical records. TB diagnosis was based on bacteriological confirmation or clinical criteria. Cox proportional hazards models and Kaplan-Meier survival analyses were performed to assess the association between hematological parameters and TB disease, adjusting for potential confounders. Results Among 810 PLHIV, 202 (25%) had TB disease. PLHIV with TB had a higher prevalence of anemia (91.6% vs. 60.0%, p < 0.001), leucocytosis (16.3% vs. 7.6%, p = 0.0004), and neutrophilia (25.2% vs. 9.4%, p < 0.0001) compared to those without TB. A higher MLR ratio (> 0.23) was associated with an increased risk of TB (HR: 5.44, 95% CI: 3.94–7.50, p < 0.001), independent of anemia. Anemia was also an independent predictor of TB (HR: 4.37, 95% CI: 2.72–7.02, p < 0.001). Conclusions Hematological parameters, particularly MLR ratio and anemia status, showed strong associations with TB disease among PLHIV. An MLR > 0.23 was associated with a 5.44-fold increased risk of TB, while anemia increased the risk by 4.37-fold. These readily available and cost-effective markers could enhance early TB detection and risk stratification in PLHIV, especially in resource-limited settings. Integration of these parameters into existing screening protocols may improve targeted interventions and patient outcomes.https://doi.org/10.1186/s12879-025-10625-yTuberculosisHIVMonocyte-to-Lymphocyte RatioAnemiaHematological ParametersBiomarkers |
| spellingShingle | Yogesh M Roshni Vamja Parth Anilbhai Parmar Naresh Makwana R Naveen Shyam Sundar Haematological markers as predictive tools for tuberculosis in PLHIV: a retrospective cohort study in Gujarat, India BMC Infectious Diseases Tuberculosis HIV Monocyte-to-Lymphocyte Ratio Anemia Hematological Parameters Biomarkers |
| title | Haematological markers as predictive tools for tuberculosis in PLHIV: a retrospective cohort study in Gujarat, India |
| title_full | Haematological markers as predictive tools for tuberculosis in PLHIV: a retrospective cohort study in Gujarat, India |
| title_fullStr | Haematological markers as predictive tools for tuberculosis in PLHIV: a retrospective cohort study in Gujarat, India |
| title_full_unstemmed | Haematological markers as predictive tools for tuberculosis in PLHIV: a retrospective cohort study in Gujarat, India |
| title_short | Haematological markers as predictive tools for tuberculosis in PLHIV: a retrospective cohort study in Gujarat, India |
| title_sort | haematological markers as predictive tools for tuberculosis in plhiv a retrospective cohort study in gujarat india |
| topic | Tuberculosis HIV Monocyte-to-Lymphocyte Ratio Anemia Hematological Parameters Biomarkers |
| url | https://doi.org/10.1186/s12879-025-10625-y |
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