The RIPASA score is sensitive and specific for the diagnosis of acute appendicitis in a western population

Malik, Muhammad Usman; Connelly, Tara M.; Awan, Faisal; Pretorius, Fih; Fiuza-Castineira, C.; Faedy, Osama El; Balfe, Paul

doi:10.1007/s00384-016-2713-4

Cited by 44 publications

(50 citation statements)

References 19 publications

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“…Thus, the RIPASA scoring system, have a higher sensitivity and Higher NPV when compared to Alverado scoring system. Similar results were obtained by Malik et al and Subramani et al 16,17…”

Section: Discussionsupporting

confidence: 91%

Validity of RIPASA scoring system as a diagnostic tool of acute appendicitis in comparison with Alvarado scoring system in the Arab population

et al. 2018

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Background: RIPASA scoring has been developed to replace the disappointingly low accuracy Alvarado score in Asian population for diagnosis of acute appendicitis. Objective of present study was to compare the RIPASA and Alvarado score in Arab population and determine their accuracy when applied to our patients in Egypt and Kingdom of Saudi Arabia (KSA).Methods: By applying the RIPASA and Alvarado scores to 100 patients from KSA, 100 patients from Egypt who presented to emergency with right iliac fossa pain. The decisions for appendicectomy were based on clinical judgment only. Histopathology as gold standard was correlated with both scores. ROC curve analysis, sensitivity, specificity, positive predictive value and negative predictive value, diagnostic accuracy for RIPASA and Alvarado system were calculated using SPSS version 20.Results: On comparing both the scoring system in patients of both hospital groups, we found that sensitivity of RIPASA scoring is greater than Alvarado scoring system 95.51% and 73.03% respectively in BTH group, and 97.56% and 79.27% respectively in KASH group, while the specificity of RIPASA scoring system is less than Alvarado scoring system 72.73% and 81.82% respectively in BTH group and 66.67% and 83.33% respectively in KASH group.Conclusions: In our Arab population the RIPASA score could be applied in diagnosis of acute appendicitis with higher sensitivity, NPV and diagnostic accuracy compared to the Alvarado score.

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“…Thus, the RIPASA scoring system, have a higher sensitivity and Higher NPV when compared to Alverado scoring system. Similar results were obtained by Malik et al and Subramani et al 16,17…”

Section: Discussionsupporting

confidence: 91%

Validity of RIPASA scoring system as a diagnostic tool of acute appendicitis in comparison with Alvarado scoring system in the Arab population

et al. 2018

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“…To determine the diagnostic efficiency of these scales, an analysis was performed using receiver operating characteristic (ROC) curves, with a calculation of the area under the curve (AUC) for each scale. Then, the scores were stratified according to a low, medium or high probability of presenting AA according to established literature guidelines the Alvarado [17,18], RIPASA [20], AIR [21] and AAS [22] scales.…”

Section: Methodsmentioning

confidence: 99%

Clinical Prediction Rules in acute appendicitis: Which combination of variables is more effective at predicting?

Olmo¹,

López²,

Esteban³

et al. 2020

Preprint

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Background: Clinical prediction rules have been designed to reduce diagnostic variability and improve the effectiveness of the diagnostic process. However, there are no unanimous criteria regarding which of them is the most efficient for the diagnosis of right iliac fossa pain. Aim: The primary aim of this study was to assess the diagnostic efficacy of the most commonly used clinical prediction rules. The second aim was to identify the combination of the smallest number of clinical and analytical variables that would allow a cost-effective diagnostic approach to assess the right iliac fossa pain. Methods: A retrospective observational study was conducted of 458 patients who were evaluated for right iliac fossa pain between January 2010 and December 2016. The selected scores (Alvarado, AIR, RIPASA, and AAS) were applied to all cases to validate their effectiveness and simultaneously establish the smallest number of variables that were needed for an efficient diagnosis. Univariate and multiple regressions were used for validation. Results: Of the four scores tested, the Alvarado score was the most efficient diagnostic approach. However, the most reduced and predictive combination of the evaluated variables included anorexia, white blood cell count> 8275 leukocytes/μL, neutrophilia (>75%), abdominal pain < 48 hours, migrating pain to the right lower quadrant and axillary temperature out the range of 37-39ºC. Conclusions: A new and effective score for predicting appendicitis in patients presenting with right iliac fossa pain has been established.

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“…Malik et al [13], in Ireland, found that the RIPASA score has a PPV of 84.06% and a NPV of 72.86% with a negative appendectomy rate of 15.94% and an accuracy of 80%. This is the first study evaluating the utility of the RIPASA score predicting acute appendicitis in a Western population.…”

Section: Introductionmentioning

confidence: 99%

Diagnostic Scores in Acute Appendicitis

A¹

2018

Current Issues in the Diagnostics and Treatment of Acute Appendicitis

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The RIPASA score is sensitive and specific for the diagnosis of acute appendicitis in a western population

Cited by 44 publications

References 19 publications

Validity of RIPASA scoring system as a diagnostic tool of acute appendicitis in comparison with Alvarado scoring system in the Arab population

Validity of RIPASA scoring system as a diagnostic tool of acute appendicitis in comparison with Alvarado scoring system in the Arab population

Clinical Prediction Rules in acute appendicitis: Which combination of variables is more effective at predicting?

Diagnostic Scores in Acute Appendicitis

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