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Alexander W. Levis
Alexander W. Levis
Postdoctoral Researcher, Statistics, Carnegie Mellon
Verified email at cmu.edu - Homepage
Title
Cited by
Cited by
Year
Equivalency of the diagnostic accuracy of the PHQ-8 and PHQ-9: a systematic review and individual participant data meta-analysis
Y Wu, B Levis, KE Riehm, N Saadat, AW Levis, M Azar, DB Rice, J Boruff, ...
Psychological medicine 50 (8), 1368-1380, 2020
2512020
Addressing overestimation of the prevalence of depression based on self-report screening questionnaires
BD Thombs, L Kwakkenbos, AW Levis, A Benedetti
Cmaj 190 (2), E44-E49, 2018
2042018
Reporting of positive results in randomized controlled trials of mindfulness-based mental health interventions
S Coronado-Montoya, AW Levis, L Kwakkenbos, RJ Steele, EH Turner, ...
PloS one 11 (4), e0153220, 2016
1962016
The accuracy of the Patient Health Questionnaire-9 algorithm for screening to detect major depression: an individual participant data meta-analysis
C He, B Levis, KE Riehm, N Saadat, AW Levis, M Azar, DB Rice, ...
Psychotherapy and psychosomatics 89 (1), 25-37, 2020
1072020
Probability of major depression diagnostic classification using semi-structured versus fully structured diagnostic interviews
B Levis, A Benedetti, KE Riehm, N Saadat, AW Levis, M Azar, DB Rice, ...
The British Journal of Psychiatry 212 (6), 377-385, 2018
782018
Perceived benefits and factors that influence the ability to establish and maintain patient support groups in rare diseases: a scoping review
VC Delisle, ST Gumuchian, DB Rice, AW Levis, LA Kloda, A Körner, ...
The Patient-Patient-Centered Outcomes Research 10, 283-293, 2017
742017
Selective cutoff reporting in studies of diagnostic test accuracy: a comparison of conventional and individual-patient-data meta-analyses of the Patient Health Questionnaire-9 …
B Levis, A Benedetti, AW Levis, JPA Ioannidis, I Shrier, P Cuijpers, ...
American journal of epidemiology 185 (10), 954-964, 2017
602017
Potentially coercive self-citation by peer reviewers: a cross-sectional study
BD Thombs, AW Levis, I Razykov, A Syamchandra, AFG Leentjens, ...
Journal of Psychosomatic Research 78 (1), 1-6, 2015
572015
Effects of a multi-faceted education and support programme on anxiety symptoms among people with systemic sclerosis and anxiety during COVID-19 (SPIN-CHAT): a two-arm parallel …
BD Thombs, L Kwakkenbos, B Levis, A Bourgeault, RS Henry, AW Levis, ...
The Lancet Rheumatology 3 (6), e427-e437, 2021
342021
Evaluation of journal registration policies and prospective registration of randomized clinical trials of nonregulated health care interventions
M Azar, KE Riehm, N Saadat, T Sanchez, M Chiovitti, L Qi, DB Rice, ...
JAMA Internal Medicine 179 (5), 624-632, 2019
312019
Using optimal test assembly methods for shortening patient‐reported outcome measures: development and validation of the Cochin Hand Function Scale‐6: a scleroderma patient …
AW Levis, D Harel, L Kwakkenbos, ME Carrier, L Mouthon, S Poiraudeau, ...
Arthritis Care & Research 68 (11), 1704-1713, 2016
292016
Comparison of self-citation by peer reviewers in a journal with single-blind peer review versus a journal with open peer review
AW Levis, AFG Leentjens, JL Levenson, MA Lumley, BD Thombs
Journal of Psychosomatic Research 79 (6), 561-565, 2015
192015
Perceived benefits and facilitators and barriers to providing psychosocial interventions for informal caregivers of people with rare diseases: a scoping review
DB Rice, A Carboni-Jiménez, M Cañedo-Ayala, KA Turner, M Chiovitti, ...
The Patient-Patient-Centered Outcomes Research 13, 471-519, 2020
182020
Shortening self‐report mental health symptom measures through optimal test assembly methods: Development and validation of the Patient Health Questionnaire‐Depression‐4
M Ishihara, D Harel, B Levis, AW Levis, KE Riehm, N Saadat, M Azar, ...
Depression and anxiety 36 (1), 82-92, 2019
182019
Potentially avertable child mortality associated with surgical workforce scale-up in low-and middle-income countries: a global study
P Truche, F Botelho, AN Bowder, AW Levis, SLM Greenberg, E Smith, ...
World Journal of Surgery 45 (9), 2643-2652, 2021
132021
An empirical comparison of three methods for multiple cutoff diagnostic test meta‐analysis of the Patient Health Questionnaire‐9 (PHQ‐9) depression screening tool using …
A Benedetti, B Levis, G Rücker, HE Jones, M Schumacher, JPA Ioannidis, ...
Research Synthesis Methods 11 (6), 833-848, 2020
92020
Covariate-assisted bounds on causal effects with instrumental variables
AW Levis, M Bonvini, Z Zeng, L Keele, EH Kennedy
arXiv preprint arXiv:2301.12106, 2023
82023
Shortening the Edinburgh postnatal depression scale using optimal test assembly methods: Development of the EPDS‐Dep‐5
D Harel, B Levis, M Ishihara, AW Levis, SN Vigod, LM Howard, ...
Acta psychiatrica scandinavica 143 (4), 348-362, 2021
72021
Investigating bias from missing data in an electronic health records-based study of weight loss after bariatric surgery
L Koffman, AW Levis, D Arterburn, KJ Coleman, LJ Herrinton, J Cooper, ...
Obesity Surgery 31, 2125-2135, 2021
62021
Effects of a support group leader education program jointly developed by health professionals and patients on peer leader self-efficacy among leaders of scleroderma support …
BD Thombs, B Levis, ME Carrier, L Dyas, J Nordlund, L Tao, K Aguila, ...
Orphanet Journal of Rare Diseases 17 (1), 396, 2022
42022
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Articles 1–20