Abstract
Dear Editor,
The article titled “Meta-analysis framework as a form of original research” makes an insightful case for classifying systematic reviews and meta-analyses (SRMAs) as original research, highlighting the methodological rigor, a priori planning, and statistical sophistication involved in SRMAs. 1 While SRMAs are indispensable to evidence-based research, equating SRMAs with original articles (OA) risks blurring important conceptual boundaries in scientific inquiry.
Original research through direct observation, experimentation, or intervention results in the generation of novel primary data, a unique feature. This lays the foundation for research and guides funding priorities and academic evaluation systems. A relatively small sample size, limited population representation, and measurement biases are among its limitations. SRMAs, on the other hand, operate entirely on pre-existing datasets and rely on published studies. The analytical innovation of meta-analysis lies in the synthesis of data, not in the creation of new data. This is a key difference between SRMAs and OAs. At the same time, it must be emphasized that SRMAs are at the top of the hierarchical structure for assessing study quality and applying evidence-based medicine. SRMAs are designed for clinical decision-making, not for defining research originality. 2
Originality in a strictly scientific sense is not conferred by methodological rigor alone. Many academic activities, such as secondary data analyses, guideline development, and health technology assessments, require scientific rigor, advanced expertise, and formal protocols, but are not considered original research. Systematic reviews share this epistemological position. While SRMAs generate new knowledge by summarizing evidence, identifying gaps, and providing high-level conclusions, they do not generate new empirical observations. 3
The controversy regarding the status of SRMAs and original research, as in many other controversies, has a financial background. In many countries, including India, getting funds for original research is much easier than SRMAs. This was supported by a Cochrane Colloquium abstract, which reads, “Appropriate academic recognition of high-quality Systematic Reviews would provide incentives for researchers to conduct them and for funders to support them.” While undoubtedly “money makes the world go around,” we feel the blurring of clear scientific distinctions for pecuniary or other extraneous considerations is unwarranted. 4
Another argument is that in some countries, classifying SRMAs as original research may help them avail incentives in academic governance. Academic promotion criteria that prioritize originality may fail to recognize SRMAs, thereby disadvantaging authors. However, this reason is not germane in India, since the National Medical Commission has given equal weight to SRMAs, OA, and even case series for promotion purposes. 5
A clear conceptual distinction between original research involving primary data generation and secondary data synthesis, as in SRMAs, will protect methodological integrity and allow each form of these scholarly activities to be evaluated on its own merits. In psychiatry, where both innovation and integration are essential, maintaining this distinction is necessary to strengthen the scientific enterprise. Recognizing SRMAs as a separate, high-value form of research preserves conceptual clarity, maintains academic standards, and appropriately values both empirical discovery and evidence synthesis.
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Footnotes
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Declaration of Conflicting Interests
The authors declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.
Declaration Regarding the Use of Generative AI
No part of this article was written or generated by a generative AI tool. The authors take full responsibility for the accuracy, integrity, and originality of the published article.
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Reporting Guidelines (Supplementary Online Material)
Coskun Benlidayi I and Gupta L. LETTER To the EDITOR Standards (LETTERS): Considerations for authors, reviewers and editors. J Korean Med Sci 2024; 39(37): e296.
References
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