J Richard Landis

educated at: University of North Carolina at Chapel Hill

occupation: statistician, biostatistician

award received: Fellow of the American Statistical Association, Mortimer Spiegelman Award

J. Richard Landis is an American biostatistician and Emeritus Professor of Biostatistics in the Perelman School of Medicine at the University of Pennsylvania, where he is also the senior vice chair of the Department of Biostatistics, Epidemiology and Informatics, director of the Biostatistics Unit within the Center for Clinical Epidemiology and Biostatistics, and faculty Director of the Clinical Research Computing Unit. Source: Wikipedia (en)

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Articles 135

Date

Title

Authors

2020-06-23

The Multidisciplinary Approach to The Study of Chronic Pelvic Pain (MAPP) Research Network*: Design and implementation of the Symptom Patterns Study (SPS)

Jason J Kutch, David J Klumpp, Anthony J Schaeffer, Karl J Kreder, Steven E Harte, David A Williams, H. Henry Lai, M Scott Lucia, Adrie van Bokhoven, Michel A Pontari, J Richard Landis, Daniel J. Clauw, Dedra S. Buchwald, Bruce D Naliboff, Larissa G Rodriguez-Homs, Emeran A Mayer, Gerald L Andriole, Sean C Mackey, J Quentin Clemens, Andrew D Schrepf, Alisa J Stephens-Shields
2019-03-26

A Culture-Independent Analysis of the Microbiota of Female Interstitial Cystitis/Bladder Pain Syndrome Participants in the MAPP Research Network

J Curtis Nickel, J Richard Landis
2019-05-29

A longitudinal analysis of urological chronic pelvic pain syndrome flares in the Multidisciplinary Approach to the Study of Chronic Pelvic Pain (MAPP) Research Network

Siobhan Sutcliffe, H. Henry Lai, Graham Colditz, Bradley A Erickson, Catherine S. Bradley, Bruce D Naliboff, J Richard Landis, Gerald L Andriole
2019-10-07

Difference Between Users and Nonusers of a Patient Portal in Health Behaviors and Outcomes: Retrospective Cohort Study

Jing Huang, Yong Chen, J Richard Landis, Kevin B Mahoney
2018-09-01

Adverse Childhood Experiences and Symptoms of Urologic Chronic Pelvic Pain Syndrome: A Multidisciplinary Approach to the Study of Chronic Pelvic Pain Research Network Study

J Richard Landis, Yi Luo
2018-01-04

Correlates of Health Care Seeking Activities in Patients with Urological Chronic Pelvic Pain Syndromes: Findings from the MAPP Cohort

J Richard Landis
2017-05-18

Clinical and Psychosocial Predictors of Urological Chronic Pelvic Pain Symptom Change in 1 Year: A Prospective Study from the MAPP Research Network

Siobhan Sutcliffe, J Richard Landis
2017-02-27

Statistical Methods for Cohort Studies of CKD: Survival Analysis in the Setting of Competing Risks

J Richard Landis, Tamara Isakova, Myles Wolf, Christopher Jepson
2017-03-31

Characterization of Whole Body Pain in Urological Chronic Pelvic Pain Syndrome at Baseline: A MAPP Research Network Study

Catherine S. Bradley, Karl J Kreder, J Richard Landis, David A Williams, Bruce D Naliboff, Larissa G Rodriguez-Homs, H. Henry Lai, J Quentin Clemens, Thomas O Jemielita, Siobhan Sutcliffe, MAPP Research Network
2017-04-11

Identification of novel non-invasive biomarkers of urinary chronic pelvic pain syndrome: findings from the Multidisciplinary Approach to the Study of Chronic Pelvic Pain (MAPP) Research Network

J Richard Landis, Marsha A. Moses, Michel A Pontari
2017-12-27

A Case-Crossover Study of Urological Chronic Pelvic Pain Syndrome Flare Triggers in the MAPP Research Network.

Yan Yan, Siobhan Sutcliffe, Karl J Kreder, J Richard Landis, Jennifer S Labus, Graham Colditz, Catherine S. Bradley, M Scott Lucia, Bruce D Naliboff, Adrie van Bokhoven, Larissa G Rodriguez-Homs, H. Henry Lai, Gerald L Andriole, Claire C Yang, Sean C Mackey, J Quentin Clemens, Thomas O Jemielita, MAPP Research Network, John W Kusek, Alisa J Stephens-Shields
2016-02-01

Effects of Testosterone Treatment in Older Men.

Elizabeth Barrett-Connor, Jane A. Cauley, Shalender Bhasin, Shehzad Basaria, J Richard Landis, Christina Wang, Cora E Lewis, Kristine Ensrud, Susan Resnick, Marco Pahor, Denise Cifelli, Jill P Crandall, Xiaoling Hou, Laura Fluharty, Thomas M Gill, Thomas W Storer, Alisa J Stephens-Shields, Susan S Ellenberg, David Cella, Alvin Matsumoto, Ronald Swerdloff, Mark E Molitch, Stephen D Anton, Darlene Dougar, Emile R Mohler, J Kellogg Parsons, Bret Zeldow, Nanette Wenger
2016-09-22

Statistical Methods for Cohort Studies of CKD: Prediction Modeling

J Richard Landis, Kathleen D Liu, Christopher Jepson
2016-04-27

Symptom Variability and Early Symptom Regression in the MAPP Study: A Prospective Study of Urological Chronic Pelvic Pain Syndrome

Siobhan Sutcliffe, J Richard Landis
2015-12

Painful Bladder Filling and Painful Urgency are Distinct Characteristics in Men and Women with Urological Chronic Pelvic Pain Syndromes: A MAPP Research Network Study

J Richard Landis, Dedra S. Buchwald, Michel A Pontari
2015-01-14

Search for Microorganisms in Men with Urologic Chronic Pelvic Pain Syndrome: A Culture-Independent Analysis in the MAPP Research Network

J Richard Landis, Garth D Ehrlich, Chris Mullins
2015-09-24

Assessment of the Lower Urinary Tract Microbiota during Symptom Flare in Women with Urologic Chronic Pelvic Pain Syndrome: A MAPP Network Study

J Richard Landis, Garth D Ehrlich, Chris Mullins
2015-10-13

Unique Microstructural Changes in the Brain Associated with Urological Chronic Pelvic Pain Syndrome (UCPPS) Revealed by Diffusion Tensor MRI, Super-Resolution Track Density Imaging, and Statistical Parameter Mapping: A MAPP Network Neuroimaging Stud

Timothy J Ness, Daniel J. Clauw, J Richard Landis, Cody Ashe-McNalley, Kirsten Tillisch, Jennifer S Labus
2015-11-13

Pain and Urinary Symptoms Should Not be Combined into a Single Score: Psychometric Findings from the MAPP Research Network

James W Griffith, Catherine S. Bradley, J Richard Landis, Niloofar Afari, Michel A Pontari, David A Williams, Bruce D Naliboff, H. Henry Lai, Barry Hong, J Quentin Clemens, Siobhan Sutcliffe, John W Kusek, Xiaoling Hou, Alisa J Stephens-Shields
2015-03-01

Efficacy of an internet-based learning module and small-group debriefing on trainees' attitudes and communication skills toward patients with substance use disorders: results of a cluster randomized controlled trial

J Richard Landis
2014-08-01

The MAPP research network: a novel study of urologic chronic pelvic pain syndromes

Daniel J. Clauw, Karl J Kreder, J Richard Landis, Ziya Kirkali, Dedra S. Buchwald, Todd B Parrish, John W Kusek, Anthony J Schaeffer, David J Klumpp, M Scott Lucia, Emeran A Mayer, Gerald L Andriole, J Quentin Clemens, Larissa G Rodriguez-Homs, Chris Mullins
2014-08-01

The MAPP research network: design, patient characterization and operations

James W Griffith, Catherine S. Bradley, Siobhan Sutcliffe, Karl J Kreder, J Richard Landis, Daniel J. Clauw, Dedra S. Buchwald, Niloofar Afari, Todd B Parrish, John W Kusek, Michel A Pontari, David A Williams, Anthony J Schaeffer, David J Klumpp, M Scott Lucia, Bruce D Naliboff, Adrie van Bokhoven, Larissa G Rodriguez-Homs, Emeran A Mayer, H. Henry Lai, Gerald L Andriole, Barry Hong, Susan K Lutgendorf, Claire C Yang, Sean C Mackey, J Quentin Clemens, Chris Mullins, Philip Hanno
2014-11-13

Comparison of baseline urological symptoms in men and women in the MAPP research cohort

Karl J Kreder, J Richard Landis, David A Williams, Daniel J. Clauw, Larissa G Rodriguez-Homs, H. Henry Lai, J Quentin Clemens, MAPP Research Network, John W Kusek, Xiaoling Hou, Alisa J Stephens-Shields
2014-10-22

Relationship between chronic nonurological associated somatic syndromes and symptom severity in urological chronic pelvic pain syndromes: baseline evaluation of the MAPP study

Karl J Kreder, J Richard Landis, Niloofar Afari, David A Williams, Anthony J Schaeffer, H. Henry Lai, Gerald L Andriole, Sean C Mackey, J Quentin Clemens, MAPP Research Network, Larissa G Rodriguez-Homs, Alisa J Stephens-Shields
2013-01-01

Randomized multicenter feasibility trial of myofascial physical therapy for the treatment of urological chronic pelvic pain syndromes.

J Richard Landis, Leroy M Nyberg, John W Kusek, Jeannette Potts, J Quentin Clemens, Rhonda Kotarinos, Annemarie Cosby, Carole Fortman, Cynthia J. Neville, Suzanne Badillo, Lisa Odabachian, Andrea Sanfield, Betsy O'Dougherty, Rick Halle-Podell, Liyi Cen, Shannon Chuai, Keith Mickelberg, Ted Barrell
2012-04-12

Randomized multicenter clinical trial of myofascial physical therapy in women with interstitial cystitis/painful bladder syndrome and pelvic floor tenderness

Karl J Kreder, J Richard Landis
2012-06-02

Estimating GFR among participants in the Chronic Renal Insufficiency Cohort (CRIC) Study

J Richard Landis, CRIC Study Investigators, Harold I Feldman, Raymond R. Townsend, Dawei Xie, James P Lash
2012-07-26

Continuous positive airway pressure treatment of sleepy patients with milder obstructive sleep apnea: results of the CPAP Apnea Trial North American Program (CATNAP) randomized clinical trial

J Richard Landis, David M Rapoport
2012-12-10

Estimating the efficacy of an interstitial cystitis/painful bladder syndrome medication in a randomized trial with both non-adherence and loss to follow-up

J Richard Landis
2012-01-01

The Center for Clinical Epidemiology and Biostatistics of the Perelman School of Medicine at the University of Pennsylvania: an organizational model for clinical research in a school of medicine.

J Richard Landis
2011-02-01

Cognitive-behavioural health-promotion intervention increases fruit and vegetable consumption and physical activity among South African adolescents: a cluster-randomised controlled trial

J Richard Landis, G A Heeren, Scarlett Bellamy
2011-01-15

Early termination of a trial of mycophenolate mofetil for treatment of interstitial cystitis/painful bladder syndrome: lessons learned

Karl J Kreder, Leroy M Nyberg, John W Kusek, J Richard Landis, Liyi Cen, J Curtis Nickel, Jennifer Foster Harris, Philip Hanno, Emily S Lukacz, Interstitial Cystitis Collaborative Research Network

Human - wd:Q43178361

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