Sajjad Ahmad
Researcher Next ID · RN-023164
Researcher · Medicine
Moorfields Eye Hospital NHS Foundation Trust
London, Pakistan
- Works count
- 408
- Citation count
- 35,115
- H-index
- 58
- i10-index
- 135
Research interests
Publications
Global, regional, and national prevalence of adult overweight and obesity, 1990–2021, with forecasts to 2050: a forecasting study for the Global Burden of Disease Study 2021
The Lancet · 2025 · https://doi.org/10.1016/s0140-6736(25)00355-1
Global, regional, and national burden of chronic kidney disease in adults, 1990–2023, and its attributable risk factors: a systematic analysis for the Global Burden of Disease Study 2023
The Lancet · 2025 · https://doi.org/10.1016/s0140-6736(25)01853-7
Burden of disease scenarios for 204 countries and territories, 2022–2050: a forecasting analysis for the Global Burden of Disease Study 2021
The Lancet · 2024 · https://doi.org/10.1016/s0140-6736(24)00685-8
Global burden of 288 causes of death and life expectancy decomposition in 204 countries and territories and 811 subnational locations, 1990–2021: a systematic analysis for the Global Burden of Disease Study 2021
The Lancet · 2024 · https://doi.org/10.1016/s0140-6736(24)00367-2
Global fertility in 204 countries and territories, 1950–2021, with forecasts to 2100: a comprehensive demographic analysis for the Global Burden of Disease Study 2021
The Lancet · 2024 · https://doi.org/10.1016/s0140-6736(24)00550-6
Global, regional, and national age-sex-specific burden of diarrhoeal diseases, their risk factors, and aetiologies, 1990–2021, for 204 countries and territories: a systematic analysis for the Global Burden of Disease Study 2021
The Lancet Infectious Diseases · 2024 · https://doi.org/10.1016/s1473-3099(24)00691-1
Global burden of bacterial antimicrobial resistance 1990–2021: a systematic analysis with forecasts to 2050
The Lancet · 2024 · https://doi.org/10.1016/s0140-6736(24)01867-1
Global, regional, and national burden of disorders affecting the nervous system, 1990–2021: a systematic analysis for the Global Burden of Disease Study 2021
The Lancet Neurology · 2024 · 10.1016/s1474-4422(24)00038-3
Global, regional, and national burden of stroke and its risk factors, 1990–2021: a systematic analysis for the Global Burden of Disease Study 2021
The Lancet Neurology · 2024 · 10.1016/s1474-4422(24)00369-7
Global burden of chronic respiratory diseases and risk factors, 1990–2019: an update from the Global Burden of Disease Study 2019
EClinicalMedicine · 2023 · 10.1016/j.eclinm.2023.101936
Global, regional, and national burden of diabetes from 1990 to 2021, with projections of prevalence to 2050: a systematic analysis for the Global Burden of Disease Study 2021
The Lancet · 2023 · 10.1016/s0140-6736(23)01301-6
Global, regional, and national burden of spinal cord injury, 1990–2019: a systematic analysis for the Global Burden of Disease Study 2019
The Lancet Neurology · 2023 · https://doi.org/10.1016/s1474-4422(23)00287-9
Global, regional, and national burden of meningitis and its aetiologies, 1990–2019: a systematic analysis for the Global Burden of Disease Study 2019
The Lancet Neurology · 2023 · https://doi.org/10.1016/s1474-4422(23)00195-3
Prevalence, years lived with disability, and trends in anaemia burden by severity and cause, 1990–2021: findings from the Global Burden of Disease Study 2021
The Lancet Haematology · 2023 · 10.1016/s2352-3026(23)00160-6
Age–sex differences in the global burden of lower respiratory infections and risk factors, 1990–2019: results from the Global Burden of Disease Study 2019
The Lancet Infectious Diseases · 2022 · 10.1016/s1473-3099(22)00510-2
Global mortality associated with 33 bacterial pathogens in 2019: a systematic analysis for the Global Burden of Disease Study 2019
The Lancet · 2022 · 10.1016/s0140-6736(22)02185-7
Assessing performance of the Healthcare Access and Quality Index, overall and by select age groups, for 204 countries and territories, 1990–2019: a systematic analysis from the Global Burden of Disease Study 2019
The Lancet Global Health · 2022 · https://doi.org/10.1016/s2214-109x(22)00429-6
The global burden of cancer attributable to risk factors, 2010–19: a systematic analysis for the Global Burden of Disease Study 2019
The Lancet · 2022 · 10.1016/s0140-6736(22)01438-6
Global, regional, and national burden of hepatitis B, 1990–2019: a systematic analysis for the Global Burden of Disease Study 2019
The Lancet. Gastroenterology & hepatology · 2022 · 10.1016/s2468-1253(22)00124-8
Population-level risks of alcohol consumption by amount, geography, age, sex, and year: a systematic analysis for the Global Burden of Disease Study 2020
The Lancet · 2022 · 10.1016/s0140-6736(22)00847-9
Global, regional, and national burden of colorectal cancer and its risk factors, 1990-2019: a systematic analysis for the Global Burden of Disease Study 2019
Research Repository Portal (Ilam University of Medical Sciences) · 2022
The global burden of adolescent and young adult cancer in 2019: a systematic analysis for the Global Burden of Disease Study 2019
The Lancet Oncology · 2021 · https://doi.org/10.1016/s1470-2045(21)00581-7
Cancer Incidence, Mortality, Years of Life Lost, Years Lived With Disability, and Disability-Adjusted Life Years for 29 Cancer Groups From 2010 to 2019
JAMA Oncology · 2021 · 10.1001/jamaoncol.2021.6987
13 years of cultured limbal epithelial cell therapy: A review of the outcomes
Journal of Cellular Biochemistry · 2011 · https://doi.org/10.1002/jcb.23028
Differentiation of Human Embryonic Stem Cells into Corneal Epithelial-Like Cells by In Vitro Replication of the Corneal Epithelial Stem Cell Niche
Stem Cells · 2007 · https://doi.org/10.1634/stemcells.2006-0516
Phenotypic Characterization of Murine Primitive Hematopoietic Progenitor Cells Isolated on Basis of Aldehyde Dehydrogenase Activity
Stem Cells · 2004 · https://doi.org/10.1634/stemcells.2004-0170
Current projects
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