Research Article

A Guide to Reporting of Cohort Studies in Surgery; Turkish Adaptation of STROCSS Criteria


  • Emre Demir
  • Yasemin Yavuz
  • Can Ateş
  • Mustafa Agah Tekindal
  • İbrahim Tayfun Şahiner
  • Gül Doğan
  • Güvenç Doğan
  • Ümran Muslu
  • Murathan Erkent

Received Date: 03.08.2019 Accepted Date: 31.10.2019 J Ankara Univ Fac Med 2019;72(3):277-283


In this study, it was aimed to adapt the 17-item (37 sub-items) STROCSS (Strengthening the Reporting of Cohort Studies in Surgery) criteria published in 2017 by a group of experts to improve the reporting quality of cohort studies in the surgical field and to establish a standard.

Materials and Methods:

STROCSS criteria were translated to Turkish by three authors (E.D., C.A., M.A.T.) separately, and a consensus was reached for the final version with Y.Y.’s guidance. The quality of reporting of 10 surgical cohort studies published in the TR index between 2010 and 2018, using a Turkish-adapted checklist, was evaluated by an academic physician (İ.Ş.T., G.D., Ü.M., G.D., M.E.) in five different surgical specialties. For the statistical evaluations, intraclass correlation coefficient and Bland-Altman graphs were used.


There was a significant correlation between pairwise evaluations in surgical specialties (p<0.001; p<0.001; p=0.007; p=0.001). The highest agreement was found between two different general surgeons; 0.963 (0.857-0.991). Among all academic physicians, the level of agreement was 0.947 (0.858-0.985) (p<0.001). According to the Bland-Altman graphs, there was a correlation between all observers.


The adaptation of this checklist, which has become mandatory for the review of articles in the field of surgery by many international publishers, is intended to facilitate the reporting of studies in our country and to establish a standard in national publications.

Keywords: STROCSS, Reporting Guideline, Cohort Studies, Surgery

Full Text (Turkish)