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Institution · Antananarivo · Madagascar

Association Vahatra

In research, Association Vahatra stands highest in Health Sciences (#20,223 of 20,462 worldwide) and Medicine (#17,831 of 17,978 worldwide), over all time.

vahatra.mg/indexeng.htmlROR OpenAlex
World rank, 2022–2025
#25,881
of 28,054 · #31,258 all time
Rank in Madagascar
#6
of 8
Research works
330
▲ 47% vs 2013–17
Citations
2.4k
7.2 per fractional work
Top-10% rate
5.5%
record average 16.5%
Open access
53%
world 28%

What is Association Vahatra known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Health SciencesDomain #20,223 of 20,462 2.2%203
MedicineField #17,831 of 17,978 1.9%182

Each strip is that field’s whole ranked pool, with the notch where Association Vahatra sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 1.49× its world share, 6 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.69× its world share, 3 worksBiochemistry, Geneti…Immunology and Microbiology: 2.35× its world share, 2 worksImmunology and Micro…Neuroscience: 0.78× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.13× its world share, 0 worksPharmacology, Toxico…Computer Science: 0.20× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 1.25× its world share, 2 worksEarth and Planetary …Energy: 0.17× its world share, 0 worksEnergyEngineering: 0.07× its world share, 1 worksEngineeringEnvironmental Science: 1.60× its world share, 7 worksEnvironmental ScienceMaterials Science: 0.08× its world share, 0 worksMaterials ScienceMathematics: 0.19× its world share, 0 worksMathematicsPhysics and Astronomy: 0.01× its world share, 0 worksPhysics and AstronomyHealth Professions: 5.31× its world share, 12 worksHealth ProfessionsMedicine: 2.50× its world share, 40 worksMedicineNursing: 0.32× its world share, 0 worksNursingVeterinary: 2.45× its world share, 0 worksVeterinaryArts and Humanities: 1.69× its world share, 4 worksArts and HumanitiesBusiness, Management and Accounting: 0.08× its world share, 0 worksBusiness, Management…Economics, Econometrics and Finance: 0.07× its world share, 0 worksEconomics, Econometr…Psychology: 0.54× its world share, 1 worksPsychologySocial Sciences: 0.19× its world share, 2 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Health Professions, 5.3×. Every wedge is a field page.

Which keywords describe research at Association Vahatra?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Treatment, Public Health Policy, Public Health, Quality of Life, Aging, Palliative Care and Elderly.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Epidemiology13▲ 4.0×50 topics
  2. Treatment7▲ 6.5×18 topics
  3. Public Health6▲ 4.6×19 topics
  4. Quality of Life6▲ 4.6×11 topics
  5. Public Health Policy5▲ 22×3 topics
  6. Mental Health5▲ 3.8×2 topics
  7. Climate Change4▲ 2.0×24 topics
  8. Diagnosis4▲ 5.7×16 topics
  9. Aging4▲ 9.6×3 topics
  10. Palliative Care4▲ 32×2 topics
  11. Elderly4▲ 20×3 topics
  12. Healthcare Legislation4▲ 82×1 topic
  13. Patient Rights4▲ 67×1 topic
  14. Healthcare4▲ 4.3×3 topics
  15. Caregiving4▲ 64×1 topic
  16. Religion4▲ 9.9×2 topics
  17. Social Support4▲ 8.5×1 topic
  18. Hermeneutics4▲ 56×1 topic
  19. Narrative4▲ 29×1 topic
  20. Immune Response3▲ 7.1×10 topics
  21. Population Dynamics3▲ 16×7 topics
  22. Biodiversity3▲ 4.7×13 topics
  23. Pandemic3▲ 3.0×5 topics
  24. Vaccine2▲ 7.5×9 topics
  25. Conservation2▲ 6.0×10 topics
  26. Genetic Diversity2▲ 6.0×7 topics
  27. Invasive Species2▲ 6.2×7 topics
  28. Conservation Biology2▲ 24×3 topics
  29. Mortality2▲ 4.1×7 topics
  30. Habitat Fragmentation2▲ 10×5 topics
  31. Molecular Phylogeny2▲ 14×4 topics
  32. ACE2 Receptor2▲ 8.5×3 topics
  33. Drug Resistance2▲ 7.3×5 topics
  34. Pathophysiology2▲ 6.9×5 topics
  35. SARS-CoV-22▲ 6.3×4 topics
  36. Evolution2▲ 7.7×7 topics
  37. Prenatal Diagnosis2▲ 13×6 topics
  38. Thrombosis2▲ 6.8×3 topics
  39. Autoantibodies2▲ 7.7×4 topics
  40. Chronic Kidney Disease2▲ 7.5×4 topics

Which research topics does Association Vahatra publish most on?

By volume in 2022–2025: Health, Medicine and Society, Aging, Elder Care, and Social Issues, Hermeneutics and Narrative Identity and COVID-19 Clinical Research Studies.

Health, Medicine and Soc…4Health, Medicine and Society: 4 fractional worksAging, Elder Care, and Social Issues: 4 fractional worksHermeneutics and Narrative Identity: 4 fractional worksCOVID-19 Clinical Research Studies: 1 fractional worksParasites and Host Interactions: 1 fractional worksPublic Health and Nutrition: 1 fractional worksInflammatory Myopathies and Dermatomyositis: 1 fractional worksWildlife Ecology and Conservation: 1 fractional worksHealthcare Systems and Practices: 1 fractional worksPrimate Behavior and Ecology: 1 fractional works
General Health ProfessionsPhilosophyInfectious DiseasesParasitology4 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Health, Medicine and Society General Health Professions 4 works
  2. 2 Aging, Elder Care, and Social Issues General Health Professions 4 works
  3. 3 Hermeneutics and Narrative Identity Philosophy 4 works
  4. 4 COVID-19 Clinical Research Studies Infectious Diseases 1 works
  5. 5 Parasites and Host Interactions Parasitology 1 works
  6. 6 Public Health and Nutrition Pediatrics, Perinatology and Child Health 1 works
  7. 7 Inflammatory Myopathies and Dermatomyositis Epidemiology 1 works
  8. 8 Wildlife Ecology and Conservation Ecology 1 works
  9. 9 Healthcare Systems and Practices General Health Professions 1 works
  10. 10 Primate Behavior and Ecology Social Psychology 1 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available53.2%not open46.8%

World: 28% of research is openly available.

with international co-authors40.5%domestic only59.5%

World: 19% is written across borders.

How has Association Vahatra's research output changed?

Output in 2018–2022 was 47% higher than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Antananarivo

All research institutions in Antananarivo

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.