activity
20122025
most citedAnalysis of 1:1 Matched Cohort Studies and Twin Studies, with Binary Exposures and Binary Outcomes

36 citations · 36 across the 4 of their papers we have counts for

collaborators

5 papers

stat.ME2025

Nonparametric Bounds for Evaluating the Clinical Utility of Treatment Rules

Johannes Hruza, Erin Gabriel, Arvid Sjölander +2

Evaluating the value of new clinical treatment rules based on patient characteristics is important but often complicated by hidden confounding factors in observational studies. Sta…

stat.ME2025

On the limitations for causal inference in Cox models with time-varying treatment

Mark B. Knudsen, Erin E. Gabriel, Torben Martinussen +2

When using the Cox model to analyze the effect of a time-varying treatment on a survival outcome, treatment is commonly included, using only the current level as a time-dependent c…

stat.ME2025

Definition, Identification, and Estimation of the Direct and Indirect Number Needed to Treat

Valentin Vancak, Arvid Sjölander

The number needed to treat (NNT) is an efficacy and effect size measure commonly used in epidemiological studies and meta-analyses. The NNT was originally defined as the average nu…

stat.OT2020

Dealing with multiple testing: To adjust or not to adjust

Yudi Pawitan, Arvid Sjölander

Multiple testing problems arise naturally in scientific studies because of the need to capture or convey more information with more variables. The literature is enormous, but the e…

stat.ME201236 cited

Analysis of 1:1 Matched Cohort Studies and Twin Studies, with Binary Exposures and Binary Outcomes

Arvid Sjölander, Anna L. V. Johansson, Cecilia Lundholm +3

To improve confounder adjustments, observational studies are often matched on potential confounders. While matched case-control studies are common and well covered in the literatur…