Statistical software applications used in health services research: analysis of published studies in the U.S.

Abstract:

BACKGROUND:This study aims to identify the statistical software applications most commonly employed for data analysis in health services research (HSR) studies in the U.S. The study also examines the extent to which information describing the specific analytical software utilized is provided in published articles reporting on HSR studies. METHODS:Data were extracted from a sample of 1,139 articles (including 877 original research articles) published between 2007 and 2009 in three U.S. HSR journals, that were considered to be representative of the field based upon a set of selection criteria. Descriptive analyses were conducted to categorize patterns in statistical software usage in those articles. The data were stratified by calendar year to detect trends in software use over time. RESULTS:Only 61.0% of original research articles in prominent U.S. HSR journals identified the particular type of statistical software application used for data analysis. Stata and SAS were overwhelmingly the most commonly used software applications employed (in 46.0% and 42.6% of articles respectively). However, SAS use grew considerably during the study period compared to other applications. Stratification of the data revealed that the type of statistical software used varied considerably by whether authors were from the U.S. or from other countries. CONCLUSIONS:The findings highlight a need for HSR investigators to identify more consistently the specific analytical software used in their studies. Knowing that information can be important, because different software packages might produce varying results, owing to differences in the software's underlying estimation methods.

journal_name

BMC Health Serv Res

authors

Dembe AE,Partridge JS,Geist LC

doi

10.1186/1472-6963-11-252

subject

Has Abstract

pub_date

2011-10-06 00:00:00

pages

252

issn

1472-6963

pii

1472-6963-11-252

journal_volume

11

pub_type

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