医療政策･管理学

Medicine & Life Sciences

1. Japan 100%
2. Databases 47%
3. Mortality 24%
4. Registries 18%
5. Thoracic Surgery 14%
6. Coronary Artery Bypass 13%
7. Gastrectomy 9%
8. Surgeons 8%
9. Percutaneous Coronary Intervention 8%
10. Coronavirus 8%
11. Certification 8%
12. Cohort Studies 7%
13. Odds Ratio 7%
14. Costs and Cost Analysis 7%
15. Esophagectomy 7%
16. Morbidity 7%
17. Propensity Score 7%
18. Pandemics 6%
19. Confidence Intervals 6%
20. Emergencies 6%
21. Stomach Neoplasms 6%
22. Incidence 6%
23. Logistic Models 6%
24. Hepatectomy 6%
25. Health 6%
26. Universal Health Insurance 5%
27. Esophageal Neoplasms 5%
28. Delivery of Health Care 5%
29. Population 5%
30. Retrospective Studies 5%
31. Quality of Health Care 5%
32. Hospital Mortality 5%

Social Sciences

1. Japan 23%