Sage Journals: Discover world-class research

Retricted access

Research article

First published 2013-4

Stratified Sampling Using Cluster Analysis

Elizabeth Tipton

Evaluation Review

Retricted access

Research article

First published 2013-8

Risk-stratified imputation in survival analysis

Richard E Kennedy, Kofi P Adragni, Hemant K Tiwari [...]

Clinical Trials

Open access

Research article

First published 2020-6

Design and analysis of stratified clinical trials in the presence of bias

Ralf-Dieter Hilgers, Martin Manolov, Nicole Heussen [...]

Statistical Methods in Medical Research

Open access

Research article

First published 2025-8

Stratified distributional analysis—a novel perspective on RT distributions

Rüdiger Thul, Joseph Marsh, Ton Dijkstra [...]

Quarterly Journal of Experimental Psychology

Open access

Research article

First published 2014

Stratified Pathway Analysis to Identify Gene Sets Associated with Oral Contraceptive Use and Breast Cancer

Herbert Pang, Hongyu Zhao

Cancer Informatics

Retricted access

Research article

First published 2025-6

Evaluating the impact of stratification on the power and cross-arm balance of randomized phase 2 clinical trials

Anna Moseley, Michael LeBlanc, Boris Freidlin [...]

Clinical Trials

Retricted access

Research article

First published 2012-9

Employment status,inflation and suicidal behaviour: An analysis of a stratified sample in Italy

Paola Solano, Enrico Pizzorno, Anna M. Gallina [...]

International Journal of Social Psychiatry

Open access

Research article

First published 2019

Patient outcomes in GuideLiner facilitated percutaneous coronary intervention stratified by the SYNTAX score: A retrospective analysis

Shuangbo Liu, Christopher Parr, Hannah Zhang [...]

JRSM Cardiovascular Disease

Open access

Research article

First published 2025-4

Age-stratified analysis of delayed fixation outcomes of femoral neck fracture among adults: A retrospective study at a tertiary care trauma center

Muhammad Gulfam Shahzad, Muhammad Hamza Dawood, Kazim Hussain [...]

Journal of International Medical Research

Open access

Research article

First published 2022

Risk Factors of Postoperative Delirium in Elderly Patients With Intertrochanteric Fracture: An Age-Stratified Retrospective Analysis of 2307 Patients

Tao Wang, Junfei Guo, Zhiyong Hou [...]

Geriatric Orthopaedic Surgery & Rehabilitation

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