Online ISSN: 2515-8260

Keywords : Ohmann Score


Evaluation of Ohmann Score in the Diagnosis of Acute Appendicitis in Patients Admitted in a Tertiary Care Hospital

Nandula Sai Bharath, M. Anurag, Lavudya Srinivas, Ganesh Banothu

European Journal of Molecular & Clinical Medicine, 2022, Volume 9, Issue 3, Pages 4729-4737

Background:To Diagnose Acute Appendicitis based on Ohmann score and correlating it
with postoperative histopathological report.
Materials and Methods: This study was undertaken in 80 patients with a provisional
diagnosis of acute appendicitis getting operated over a period of 18. months.Ohmann
score was applied in the preliminary diagnosis, which was confirmed by intra operative
and histopathological findings.
Results: Fifty-eight patients were males and 22 were females. There was no statistical
significance in the male to female ratio. The highest incidence was found in the age
group of 21-30 and the lowest was seen in the age group of >40. Ohmann score of 13.5
was found in 11 patients and score of 14 was also seen in 11 patients .1.5 was least
ohmann score seen who had a normal appendix on histopathology. As ohmann score
was categorised into 3 categories,3 patients had Ohmann score of less than 6 out of
which 2 had a normal appendix on histopathology and the other patient had
appendicitis on histopathology. Depending on the cut-off value taken, sensitivity ranges
from 100% to 4.54%, specificity ranges from 14.28% to 100%, positive predictive value
ranges from 84.61% to 100% and negative predictive value ranges from 100% to
18.18%.
Conclusion: Ohmann scoring system significantly reduces the number of negative
laparotomies without increasing overall rate of appendicular perforation. It can work
effectively in routine practice as an adjunct to surgical decision making in questionable
acute appendicitis. It is simple to use and easy to apply since it relies only on history,
clinical examination and basic lab investigations.