Fig. 7From: Unsupervised title and abstract screening for systematic review: a retrospective case-study using topic modelling methodologySimulation study: average false positive rate results. X-axis: number of LDA topics. FPR, false positive rate. Rows: proportion of relevant documents included in the simulation dataset. Columns: percentile used to compute the relevance threshold. Solid circles: average FPR. Error bars: 95% confidence interval. Horizontal dashed line: 50% FPRBack to article page