Table 5

 Classification of topic of research

Topic1st topic2nd and 3rd topic
The research described in each article was classified by its main topic. If available, second and third topics were recorded. The number of instances of each topic as main, second, or third topic is shown.
Prolongation of life and euthanasia684
Ethics and bioethics: theoretical perspectives5814
Informed consent and patient participation in decisions making4212
Ethics education341
Ethics committees and ethics consultation300
Patient relationships195
Economics of health care and allocation of healthcare resources173
Quality of health care172
Health care for newborn, children, and minors1615
Truth telling and the right not to know132
Artificial and transplanted organs/tissue122
Living wills and advance directives124
Health care for the aged103
Human experimentation1012
Care for the dying patient92
Professional misconduct and malpractice94
Confidentiality and privacy83
Sexuality and gender53
Genetic testing and screening51
Quality of life51
Health care for mentally disabled persons44
Health care for minority groups44
Suicide and assisted suicide46
Genetics, molecular biology, and microbiology, general31
Death and dying, general30
Aids and HIV24
Right to refuse treatment11
Health care for women11
Reproduction and reproductive technologies, general10
Genetic modification10
International/political dimensions of biology and medicine11
Social control of science and technology10