PPI {boutliers}

Crocker et al. (2018)'s patient and public involvement (PPI) intervention data

Description

• ID: Study ID

• d1: Number of events in PPI intervention group

• n1: Number of observations in PPI intervention group

• d2: Number of events in non-PPI intervention group

• n2: Number of observations in non-PPI intervention group

Usage

data(PPI)

Format

A data frame with 21 rows and 5 variables

References

Crocker, J. C., Ricci-Cabello, I., Parker, A., Hirst, J. A., Chant, A., Petit-Zeman, S., Evans, D., Rees, S. (2018). Impact of patient and public involvement on enrolment and retention in clinical trials: systematic review and meta-analysis. BMJ. 363: k4738. doi:10.1136/bmj.k4738