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5 votes
3 answers
838 views

Paired vs unpaired samples t-test in crossover study

I have to analyse a 2x2 AB/BA crossover study, in which every participant was administered drug A and then no drug at all, or vice versa. There were two study visits and in each visit the peak glucose ...
Sarah's user avatar
  • 51
1 vote
0 answers
15 views

Can I conduct an exploratory cross-over study on data originally collected in a clinical trial?

I need your opinion about this study. Originally it is a clinical trial comparing two treatment regimens (of IVF) on the chance of fertility. One (Treatment A) consists of ovarian stimulation during ...
Seydou GORO's user avatar
1 vote
0 answers
203 views

Crossover study, multiple measure

I'm trying to analyze data from a crossover study, where two treatments ($A$ and $B$) are applied to $n$ patients (each patient receive both treatments). For each treatment I have an outcome with ...
Teoz's user avatar
  • 11
21 votes
5 answers
10k views

How to display error bars for cross-over (paired) experiments

The following scenario has become the Most-FAQ in the trio of investigator (I), reviewer/editor (R, not related to CRAN) and me (M) as plot creator. We can assume that (R) is the typical medical big ...
Dieter Menne's user avatar