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Prognostic performance of the ‘DICA’ endoscopic classification and the ‘CODA’ score in predicting clinical outcomes of diverticular disease: an international, multicentre, prospective cohort study

  • Antonio Tursi*
  • , Giovanni Brandimarte
  • , Francesco Di Mario
  • , Walter Elisei
  • , Marcello Picchio
  • , Leonardo Allegretta
  • , Maria Laura Annunziata
  • , Mauro Bafutto
  • , Gabrio Bassotti
  • , Maria Antonietta Bianco
  • , Raffaele Colucci
  • , Rita Conigliaro
  • , Dan Dumitrascu
  • , Ricardo Escalante
  • , Luciano Ferrini
  • , Giacomo Forti
  • , Marilisa Franceschi
  • , Maria Giovanna Graziani
  • , Frank Lammert
  • , Giovanni Latella
  • Giovanni Maconi, Gerardo Nardone, Lucia Camara de Castro Oliveira, Enio Chaves Oliveira, Alfredo Papa, Savvas Papagrigoriadis, Anna Pietrzak, Stefano Pontone, Tomas Poskus, Giuseppe Pranzo, Matthias Christian Reichert, Stefano Rodinò, Jaroslaw Regula, Giuseppe Scaccianoce, Franco Scaldaferri, Roberto Vassallo, Costantino Zampaletta, Angelo Zullo, Daniele Piovani, Stefanos Bonovas, Silvio Danese
*Corresponding author
  • Ospedale Cristo Re
  • Ospedale Maggiore
  • San Camillo Hospital
  • ASL RM6
  • Santa Caterina Novella Hospital
  • IRCCS Policlinico San Donato
  • Institute of Gastroenterology and Digestive Endoscopy
  • Ospedale San Matteo degli Infermi
  • Nuovo Ospedale Civile Sant'Agostino Estense
  • Iuliu Hatieganu University of Medicine and Pharmacy
  • Universidad Central de Venezuela
  • Santa Maria Goretti Hospital
  • Complesso Ospedaliero San Giovanni - Addolorata
  • Saarland University
  • University of L'Aquila
  • University of Milan
  • University of Naples Federico II
  • King's College London
  • Maria Sklodowska-Curie Institute of Oncology
  • University of Rome La Sapienza
  • Vilnius University
  • Azienda Ospedaliera Pugliese-Ciaccio
  • Medical Centre for Postgraduate Education, Warsaw
  • Ospedale di Belcolle - Viterbo
  • IRCCS Istituto Clinico Humanitas - Rozzano (Milano)
  • Humanitas University
  • Vita-Salute San Raffaele University

Research output: Contribution to journalArticle

Abstract

Objective To investigate the predictive value of the Diverticular Inflammation and Complication Assessment (DICA) classification and to develop and validate a combined endoscopic-clinical score predicting clinical outcomes of diverticulosis, named Combined Overview on Diverticular Assessment (CODA).Design A multicentre, prospective, international cohort study.Setting 43 gastroenterology and endoscopy centres located in Europe and South America.Participants 2215 patients (2198 completing the study) at the first diagnosis of diverticulosis/diverticular disease were enrolled. Patients were scored according to DICA classifications.Interventions A 3-year follow-up was performed.Main outcome measures To predict the acute diverticulitis and the surgery according to DICA classification. Survival methods for censored observation were used to develop and validate a novel combined endoscopic-clinical score for predicting diverticulitis and surgery (CODA score).Results The 3-year cumulative probability of diverticulitis and surgery was of 3.3% (95% CI 2.5% to 4.5%) in DICA 1, 11.6% (95% CI 9.2% to 14.5%) in DICA 2 and 22.0% (95% CI 17.2% to 28.0%) in DICA 3 (p<0.001), and 0.15% (95% CI 0.04% to 0.59%) in DICA 1, 3.0% (95% CI 1.9% to 4.7%) in DICA 2 and 11.0% (95% CI 7.5% to 16.0%) in DICA 3 (p<0.001), respectively. The 3-year cumulative probability of diverticulitis and surgery was <= 4%, and <= 0.7% in CODA A; 10% and >2.5% in CODA C, respectively. The CODA score showed optimal discrimination capacity in predicting the risk of surgery in the development (c-statistic: 0.829; 95% CI 0.811 to 0.846) and validation cohort (c-statistic: 0.943; 95% CI 0.905 to 0.981).Conclusions DICA classification has a significant role in predicting the risk of diverticulitis and surgery in patients with diverticulosis, which is significantly enhanced by the CODA score.
Original languageEnglish
Pages (from-to)1350-1358
Number of pages9
JournalGut
Volume71
Issue number7
DOIs
Publication statusPublished - 2022

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

All Science Journal Classification (ASJC) codes

  • Gastroenterology

Keywords

  • diverticular disease
  • endoscopy

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