The short version
- Columns are usually visits; rows are procedures; a mark means it happens at that visit.
- The table shows the full burden of a study at a glance.
- Footnotes often hold the details that matter.
01How the grid works
Each column is a point in time, such as screening, week 4 or the final visit. Each row is something done, such as blood draw, questionnaire or physical exam. A dot where they meet means it happens then.
02Counting the commitment
Reading across a row shows how often a procedure repeats. Reading down a column shows what a single visit includes, which helps in estimating how long one might take.
03The footnotes
Small numbers beside a row point to notes about timing, fasting, allowed windows or what happens if a visit is missed. These notes are easy to skip and often the most useful part.
04If a word is unfamiliar
Procedure names can be technical. A study team can say in plain terms what each involves and whether it is uncomfortable, and a doctor or pharmacist can often help too.
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