Flourdat: Data for the Flour NMA example in Dias et al. (2010)

Description Usage Format Source


The flour dataset describes a network comparing 6 treatments with 130 trials. There are 121 pairwise comparisons, 8 three-arm trials and 1 four-arm trial. The main outcome is caries increment, as measured by the change in decayed, missing, and filled tooth surfaces (DMFS) in the permanent dentition of children. Data that are available for study i include the mean caries increment in trial i arm k, y ik, the number of patients at risk in each trial arm, n ik, the time that individuals are at risk in arm k of study i, t i (measured as the trial follow-up time, which is the same for both arms) and the interventions being compared.




An object of class data.frame with 130 rows and 20 columns.


Dias, S., Welton, N.J., Marinho, V.C.C., Salanti, G., Higgins, J.P.T. and Ades, A.E., 2010. Estimation and adjustment of bias in randomized evidence by using mixed treatment comparison meta-analysis. Journal of the Royal Statistical Society: Series A (Statistics in Society), 173(3), pp.613-629.

gunhanb/nmainla documentation built on July 23, 2018, 3:28 p.m.