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. 2023 Jul 5;13(13):2275.
doi: 10.3390/diagnostics13132275.

Predicting Complicated Appendicitis in Children: Pros and Cons of a New Score Combining Clinical Signs, Laboratory Values, and Ultrasound Images (CLU Score)

Konstantina Bekiaridou  1 , Katerina Kambouri  1 , Alexandra Giatromanolaki  2 , Soultana Foutzitzi  3 , Maria Kouroupi  2 , Maria Aggelidou  1 , Savas Deftereos  2
Affiliations

Predicting Complicated Appendicitis in Children: Pros and Cons of a New Score Combining Clinical Signs, Laboratory Values, and Ultrasound Images (CLU Score)

Konstantina Bekiaridou et al. Diagnostics (Basel). .

Abstract

Background: This retrospective study aimed to combine the clinical signs, laboratory values, and ultrasound images of 199 children with acute appendicitis in order to create a new predictive score for complicated appendicitis in children.

Methods: The study included children who had clinical examination of abdominal pain (description of pain, anorexia, body temperature, nausea or vomiting, duration of symptoms), laboratory findings on admission (white blood cell, platelets, neutrophils, C-reactive protein), preoperative abdominal ultrasound, and histopathological report after an operation for appendicitis in their records during the period from January 2016 to February 2022.

Results: According to the statistical analysis of the values using multivariate logistic regression models, the patients with appendiceal diameter ≥ 8.45 mm, no target sign appearance, appendicolith, abscess, peritonitis, neutrophils ≥ 78.95%, C-reactive protein ≥ 1.99 mg/dL, body temperature ≥ 38 °C, pain migration to right lower quadrant, and duration of symptoms < 24 h were more likely to suffer from complicated appendicitis. The new score was comprised of the 10 variables that were found statistically significant in the multivariate logistic model. Each of these variables was assigned a score of 1 due to the values that were associated with complicated appendicitis.

Conclusions: A cutoff value of ≥4 has been a good indicator of the final score. The sensitivity with the usage of this score is 81.1%, the specificity 82.4%, the PPV 73.2%, the NPV approaches 88% and finally the accuracy is 81.9%. Also, the pros and cons of this score are discussed in this study.

Keywords: complicated appendicitis; score; ultrasound; uncomplicated appendicitis.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Receiver operating characteristic curve (ROC) for the appendiceal diameter (mm).
Figure 2
Figure 2
Receiver operating characteristic curve (ROC) for the WBC.
Figure 3
Figure 3
Receiver operating characteristic curve (ROC) for the ΝEUT.
Figure 4
Figure 4
Receiver operating characteristic curve (ROC) for the PLT.
Figure 5
Figure 5
Receiver operating characteristic curve (ROC) for the CRP.
Figure 6
Figure 6
Receiver operating characteristic curve (ROC) for the final score.
See this image and copyright information in PMC

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