Hannah Johns

Trial of Endovascular Thrombectomy for Large Ischemic Strokes

Amrou Sarraj, Ameer E Hassan, Michael G Abraham, Santiago Ortega-Gutierrez, Scott E Kasner, M Shazam Hussain, Michael Chen, Spiros Blackburn, Clark W Sitton, Leonid Churilov, Sophia Sundararajan, Yin C Hu, Nabeel A Herial, Pascal Jabbour, Daniel Gibson, Adam N Wallace, Juan F Arenillas, Jenny P Tsai, Ronald F Budzik, William J Hicks, et al.

Journal article  |  2023  |  NEW ENGLAND JOURNAL OF MEDICINE

BACKGROUND: Trials of the efficacy and safety of endovascular thrombectomy in patients with large ischemic strokes have been carri..

A phase III, multi-arm multi-stage covariate-adjusted response-adaptive randomized trial to determine optimal early mobility training after stroke (AVERT DOSE)

Julie Bernhardt, Leonid Churilov, Helen Dewey, Geoffrey Donnan, Fiona Ellery, Coralie English, Lan Gao, Kathryn Hayward, Frances Horgan, Bent Indredavik, Hannah Johns, Peter Langhorne, Richard Lindley, Sheila Martins, Md Ali Katijjahbe, Sandy Middleton, Marj Moodie, Jeyaraj Pandian, Brooke Parsons, Thompson Robinson, et al.

Journal article  |  2023  |  INTERNATIONAL JOURNAL OF STROKE

RATIONALE: The evidence base for acute post-stroke rehabilitation is inadequate and global guideline recommendations vary. AIM: To..

Generalised pairwise comparisons for trend: An extension to the win ratio and win odds for dose-response and prognostic variable analysis with arbitrary statements of outcome preference

Hannah Johns, Bruce Campbell, Julie Bernhardt, Leonid Churilov

Journal article  |  2022  |  STATISTICAL METHODS IN MEDICAL RESEARCH

The win ratio is a novel approach for handling complex patient outcomes that have seen considerable interest in the medical statis..

"Tournament Methods" for the Ordinal Analysis of Modified Rankin Scale: The Past, the Present, and the Future

Leonid Churilov, Hannah Johns, Guillaume Turc

Journal article  |  2022  |  STROKE

Association of Endovascular Thrombectomy With Functional Outcome in Patients With Acute Stroke With a Large Ischemic Core

Carlos Garcia-Esperon, Andrew Bivard, Hannah Johns, Chushuang Chen, Leonid Churilov, Longting Lin, Kenneth Butcher, Timothy J Kleinig, Philip MC Choi, Xin Cheng, Qiang Dong, Richard Aviv, Ferdinand Miteff, Neil J Spratt, Christopher R Levi, Mark W Parsons

Journal article  |  2022  |  NEUROLOGY

BACKGROUND AND OBJECTIVES: Endovascular thrombectomy (EVT) is effective for patients with large vessel occlusion (LVO) stroke with..

Common scale minimal sufficient balance: An improved method for covariate-adaptive randomization based on the Wilcoxon-Mann-Whitney odds ratio statistic

Hannah Johns, Dominic Italiano, Bruce Campbell, Leonid Churilov

Journal article  |  2022  |  STATISTICS IN MEDICINE

Minimal sufficient balance (MSB) is a recently suggested method for adaptively controlling covariate imbalance in randomized contr..

Comparison of Mobile Stroke Unit With Usual Care for Acute Ischemic Stroke Management A Systematic Review and Meta-analysis

Guillaume Turc, Melika Hadziahmetovic, Silke Walter, Leonid Churilov, Karianne Larsen, James C Grotta, Jose-Miguel Yamal, Ritvij Bowry, Aristeidis H Katsanos, Henry Zhao, Geoffrey Donnan, Stephen M Davis, Muhammad S Hussain, Ken Uchino, Stefan A Helwig, Hannah Johns, Joachim E Weber, Christian H Nolte, Alexander Kunz, Thorsten Steiner, et al.

Journal article  |  2022  |  JAMA NEUROLOGY

IMPORTANCE: So far, uncertainty remains as to whether there is sufficient cumulative evidence that mobile stroke unit (MSU; specia..

Distance-based Classification and Regression Trees for the analysis of complex predictors in health and medical research

Hannah Johns, Julie Bernhardt, Leonid Churilov

Journal article  |  2021  |  STATISTICAL METHODS IN MEDICAL RESEARCH

Predicting patient outcomes based on patient characteristics and care processes is a common task in medical research. Such predict..

Young Stroke Survivors' Preferred Methods of Meeting Their Unique Needs Shaping Better Care

Jessica Keating, Karen Borschmann, Hannah Johns, Leonid Churilov, Julie Bernhardt

Journal article  |  2021  |  NEUROLOGY

OBJECTIVE: To determine how young stroke survivors want their unmet needs to be addressed, we undertook an international online su..

"Can you hear me now?" Video conference coping strategies and experience during COVID-19 and beyond

Hannah Johns, Emma L Burrows, Venesha Rethnam, Sharon Kramer, Julie Bernhardt

Journal article  |  2021  |  WORK-A JOURNAL OF PREVENTION ASSESSMENT & REHABILITATION

BACKGROUND: During COVID-19 the workforce quickly adapted to using existing video-conferencing tools in order to work from home. O..