Browse the glossary:

Top Ten terms

1. study participants (subjects*, participants) — 268 views
   “The people included in a study” … (read more)
2.   statistically significant — 206 views
   “A result that is unlikely to have happened by chance. The usual threshold for this judgement is a likelihood of less than 5%” … (read more)
3. research evidence (research findings, research results) — 198 views
   “The findings of studies, including systematic reviews” … (read more)
4. non-randomized study (non-experimental study, observational study,) — 192 views
   “A category of studies that does not use random allocation to assign participants to treatment comparison groups” … (read more)
5. adverse event (adverse effects, undesirable treatment effects) — 185 views
   “Unwanted symptoms or other experiences in participants in a study, which may or may not be caused by treatments.” … (read more)
6. fair comparisons of treatments — 183 views
   “Studies designed, conducted, reported and interpreted to minimize bias and the play of chance in measuring treatment effects” … (read more)
7. benefit (desirable anticipated effect, desirable effect) — 171 views
   “Difference in outcomes that favours a treatment in a treatment comparison” … (read more)
8. quality-adjusted life years (QALY) — 169 views
   “A measure of the value of health outcomes that combines the length of life and quality of life into a single number” … (read more)
9. cost-effectiveness (cost-utility) — 166 views
   “The cost of a treatment in relation to its effects” … (read more)
10. index test — 163 views
    “A diagnostic test that is being evaluated against a reference standard test in a study of test accuracy” … (read more)