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Nationwide COVID-19-EII Study: Incidence, Environmental Risk Factors and Long-Term Follow-Up of Patients with Inflammatory Bowel Disease and COVID-19 of the ENEIDA Registry

Publicated to:Journal of Clinical Medicine. 11 (2): 421- - 2022-01-01 11(2), DOI: 10.3390/jcm11020421

Authors: Zabana, Yamile; Marin-Jimenez, Ignacio; Rodriguez-Lago, Iago; Vera, Isabel; Martin-Arranz, Maria Dolores; Guerra, Ivan; Gisbert, Javier P; Mesonero, Francisco; Benitez, Olga; Taxonera, Carlos; Ponferrada-Diaz, Angel; Piqueras, Marta; Lucendo, Alfredo J; Caballol, Berta; Manosa, Miriam; Martinez-Montiel, Pilar; Bosca-Watts, Maia; Gordillo, Jordi; Bujanda, Luis; Mancenido, Noemi; Martinez-Perez, Teresa; Lopez, Alicia; Rodriguez-Gutierrez, Cristina; Garcia-Lopez, Santiago; Vega, Pablo; Rivero, Montserrat; Melcarne, Luigi; Calvo, Maria; Iborra, Marisa; Barreiro de-Acosta, Manuel; Sicilia, Beatriz; Barrio, Jesus; Perez, Jose Lazaro; Busquets, David; Perez-Martinez, Isabel; Navarro-Llavat, Merce; Hernandez, Vicent; Argueelles-Arias, Federico; Ramirez Esteso, Fernando; Meijide, Susana; Ramos, Laura; Gomollon, Fernando; Munoz, Fernando; Suris, Gerard; de Zarate, Jone Ortiz; Huguet, Jose Maria; Llao, Jordina; Garcia-Sepulcre, Mariana Fe; Sierra, Monica; Dura, Miguel; Estrecha, Sandra; Fuentes Coronel, Ana; Hinojosa, Esther; Olivan, Lorenzo; Iglesias, Eva; Gutierrez, Ana; Varela, Pilar; Rull, Nuria; Gilabert, Pau; Hernandez-Camba, Alejandro; Brotons, Alicia; Ginard, Daniel; Sese, Eva; Carpio, Daniel; Aceituno, Montserrat; Cabriada, Jose Luis; Gonzalez-Lama, Yago; Jimenez, Laura; Chaparro, Maria; Lopez-San Roman, Antonio; Alba, Cristina; Plaza-Santos, Rocio; Mena, Raquel; Tamarit-Sebastian, Sonsoles; Ricart, Elena; Calafat, Margalida; Olivares, Sonsoles; Navarro, Pablo; Bertoletti, Federico; Alonso-Galan, Horacio; Pajares, Ramon; Olcina, Pablo; Manzano, Pamela; Domenech, Eugeni; Esteve, Maria

Affiliations

Althaia Xarxa Assistencial de Manresa - Author
Althaia Xarxa Assistencial Univ Manresa, Manresa 08243, Spain - Author
Biocruces Bizkaia Hlth Res Inst, Galdakao 48960, Spain - Author
Biocruces Bizkaia Instituto de Investigación Sanitaria , Hospital Universitario de Galdakao - Author
Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas , Hospital Clinic Barcelona - Author
Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas , Hospital Clinico Universitario de Valencia - Author
Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas , Hospital Clinico Universitario Lozano Blesa - Author
Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas , Hospital General Universitario de Alicante - Author
Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas , Hospital Universitari Germans Trias i Pujol - Author
Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas , Hospital Universitari Mútua Terrassa - Author
Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas , Hospital Universitario de la Princesa - Author
Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas , Hospital Universitario de la Princesa , Hospital General de Tomelloso - Author
Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas , Universidad del Pais Vasco , Osakidetza, Donostia University Hospital - Author
Complejo Asistencial Univ Leon, Leon 24071, Spain - Author
Complejo Asistencial Universitario de Burgos - Author
Complejo Asistencial Universitario de León - Author
Complejo Hosp Navarra, Pamplona 31008, Spain - Author
Complejo Hospitalario Universitario de Santiago - Author
Complexo Hosp Pontevedra, Pontevedra 36071, Spain - Author
Complexo Hosp Univ Ourense, Orense 32005, Spain - Author
Complexo Hospitalario Universitario de Ourense - Author
Consorci Sanitari de Terrassa - Author
Consorci Sanitari Terrassa, Terrassa 08227, Spain - Author
Consorcio Hosp Gen Univ Valencia, Valencia 46014, Spain - Author
Ctr Invest Biomed Red Enfermedades Hepat Digest C, Madrid 28029, Spain - Author
Fdn Hosp Univ Doce Octubre, Madrid 28041, Spain - Author
Hosp Alvaro Cunqueiro, Vigo 36213, Spain - Author
Hosp Badalona Germans Trias & Pujol, Badalona 08916, Spain - Author
Hosp Clin Barcelona IDIBAPS, Barcelona 08036, Spain - Author
Hosp Clin San Carlos, Madrid 28040, Spain - Author
Hosp Clin Univ Lozano Blesa, Zaragoza 50009, Spain - Author
Hosp Clin Univ Santiago, Santiago 15706, Spain - Author
Hosp Clin Univ Valencia, Valencia 46010, Spain - Author
Hosp Clin Valladolid, Valladolid 47003, Spain - Author
Hosp del Mar, Inst Hosp Mar Invest Med IMIM, Barcelona 08003, Spain - Author
Hosp Gen Tomelloso, Tomelloso 13700, Spain - Author
Hosp Gen Univ Alicante, Alicante 03010, Spain - Author
Hosp Gen Univ Ciudad Real, Ciudad Real 13005, Spain - Author
Hosp Gregorio Maranon, Madrid 218007, Spain - Author
Hosp Manises, Manises 46940, Spain - Author
Hosp San Pedro Logrono, Logrono 26006, Spain - Author
Hosp Sant Joan Despi Moises Broggi, Sant Joan Despi 08970, Spain - Author
Hosp Santa Creu & Sant Pau, Barcelona 08041, Spain - Author
Hosp Univ & Politecn Fe Valencia, Valencia 46026, Spain - Author
Hosp Univ Alava, Gasteiz 01009, Spain - Author
Hosp Univ Arnau Vilanova Lleida, Lleida 25198, Spain - Author
Hosp Univ Basurto, Bilbao 48013, Spain - Author
Hosp Univ Bellvitge, Lhospitalet De Llobregat 08907, Spain - Author
Hosp Univ Burgos, Burgos 09006, Spain - Author
Hosp Univ Cabuenes, Gijon 33394, Spain - Author
Hosp Univ Canarias, San Cristobal De La Lagu 38320, Spain - Author
Hosp Univ Cent Asturias, Inst Invest Sanitaria Principado Asturias ISP, Oviedo 33011, Spain - Author
Hosp Univ Cruces, Baracaldo 48903, Spain - Author
Hosp Univ Donostia, Inst Biodonostia, San Sebastian 20014, Spain - Author
Hosp Univ Elche, Elche 03203, Spain - Author
Hosp Univ Fdn Alcorcon, Alcorcon 28922, Spain - Author
Hosp Univ Fuenlabrada, Fuenlabrada 28942, Spain - Author
Hosp Univ Galdakao, Gastroenterol Dept, Galdakao 48960, Spain - Author
Hosp Univ Girona Doctor Josep Trueta, Girona 17007, Spain - Author
Hosp Univ Infanta Leonor, Madrid 28031, Spain - Author
Hosp Univ Infanta Sofia, San Sebastian De Reyes 28703, Spain - Author
Hosp Univ La Paz, Madrid 28046, Spain - Author
Hosp Univ Marques Valdecilla, Inst Invest Sanitaria Valdecilla IDIVAL, Santander 39008, Spain - Author
Hosp Univ Miguel Servet, Zaragoza 50009, Spain - Author
Hosp Univ Mutua Terrassa, Terrassa 08221, Spain - Author
Hosp Univ Nuestra Senora Candelaria, Santa Cruz De Tenerife 38010, Spain - Author
Hosp Univ Parc Tauli, Sabadell 08208, Spain - Author
Hosp Univ Puerta Hierro, Majadahonda 28222, Spain - Author
Hosp Univ Ramon y Cajal, Madrid 28034, Spain - Author
Hosp Univ Reina Sofia Cordoba, Inst Maimonides Invest Biomed Cordoba IMIBIC, Cordoba 14004, Spain - Author
Hosp Univ Rio Hortega HURH, Valladolid 47012, Spain - Author
Hosp Univ Salamanca, Salamanca 37007, Spain - Author
Hosp Univ San Jorge, Huesca 22004, Spain - Author
Hosp Univ Son Espases, Palma De Mallorca 07120, Spain - Author
Hosp Univ Son Llatzer, Palma De Mallorca 07198, Spain - Author
Hosp Vega Baja Orihuela, Alicante 03314, Spain - Author
Hosp Viladecans, Viladecans 08840, Spain - Author
Hosp Virgen Concha, Zamora 49022, Spain - Author
Hosp Virgen Luz, Cuenca 16002, Spain - Author
Hospital Álvaro Cunqueiro - Author
Hospital Clinico San Carlos de Madrid - Author
Hospital Clínico Universitario de Salamanca - Author
Hospital Clínico Universitario de Valencia - Author
Hospital Clínico Universitario de Valladolid - Author
Hospital de la Santa Creu i Sant Pau - Author
Hospital de Manises - Author
Hospital de Navarra - Author
Hospital de Sant Joan Despí Moisès Broggi - Author
Hospital de Viladecans - Author
Hospital del Mar - Author
Hospital General de Ciudad Real - Author
Hospital General de Tomelloso - Author
Hospital General Universitario de Elche - Author
Hospital General Universitario de Valencia - Author
Hospital General Universitario Gregorio Marañón - Author
Hospital Infanta Sofia - Author
Hospital Miguel Servet - Author
Hospital Montecelo - Author
Hospital Ramón y Cajal - Author
Hospital San Pedro - Author
Hospital Universitari Arnau de Vilanova de Lleida - Author
Hospital Universitari de Bellvitge - Author
Hospital Universitari de Girona Dr. Josep Trueta - Author
Hospital Universitari Mútua Terrassa - Author
Hospital Universitari Parc Taulí - Author
Hospital Universitari Son Llàtzer - Author
Hospital Universitario 12 de octubre - Author
Hospital Universitario Álava - Author
Hospital Universitario Central de Asturias - Author
Hospital Universitario de Cabueñes - Author
Hospital Universitario de Canarias - Author
Hospital Universitario Fundación Alcorcón - Author
Hospital Universitario Infanta Leonor - Author
Hospital Universitario La Paz - Author
Hospital Universitario Marqués de Valdecilla - Author
Hospital Universitario Nuestra Senora de Candelaria - Author
Hospital Universitario Puerta de Hierro Majadahonda - Author
Hospital Universitario Reina Sofía - Author
Hospital Universitario Rio Hortega - Author
Hospital Universitario San Jorge - Author
Hospital Universitario Son Espases - Author
Hospital Universitario Virgen Macarena - Author
Hospital Vega Baja - Author
Hospital Virgen de La Concha - Author
Hospital Virgen de La Luz de Cuenca - Author
IIS Aragon, Zaragoza 50009, Spain - Author
Inst Invest Hosp Clin San Carlos IdISSC, Madrid 28040, Spain - Author
Inst Invest Hosp Univ La Paz IdiPaz, Madrid 28046, Spain - Author
Inst Invest Sanitaria Princesa IIS IP, Madrid 28006, Spain - Author
Instituto de Investigación Sanitaria del Hospital Universitario La Paz , Hospital Universitario de Fuenlabrada - Author
Osakidetza, Basurto University Hospital - Author
Osakidetza, Cruces University Hospital - Author
Univ Autonoma Madrid UAM, Hosp Univ La Princesa, Dept Gastroenterol, Madrid 28049, Spain - Author
Univ Pais Vasco UPV EHU, Leioua 48940, Spain - Author
Univ Seville, Hosp Univ Virgen Macarena, Seville 41009, Spain - Author
Universidad del Pais Vasco , Osakidetza, Donostia University Hospital - Author
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Abstract

We aim to describe the incidence and source of contagion of COVID-19 in patients with IBD, as well as the risk factors for a severe course and long-term sequelae. This is a prospective observational study of IBD and COVID-19 included in the ENEIDA registry (53,682 from 73 centres) between March–July 2020 followed-up for 12 months. Results were compared with data of the general population (National Centre of Epidemiology and Catalonia). A total of 482 patients with COVID-19 were identified. Twenty-eight percent were infected in the work environment, and 48% were infected by intrafamilial transmission, despite having good adherence to lockdown. Thirty-five percent required hospitalization, 7.9% had severe COVID-19 and 3.7% died. Similar data were reported in the general population (hospitalisation 19.5%, ICU 2.1% and mortality 4.6%). Factors related to death and severe COVID-19 were being aged ≥ 60 years (OR 7.1, 95% CI: 1.8–27 and 4.5, 95% CI: 1.3–15.9), while having ≥2 comorbidities increased mortality (OR 3.9, 95% CI: 1.3–11.6). None of the drugs for IBD were related to severe COVID-19. Immunosuppression was definitively stopped in 1% of patients at 12 months. The prognosis of COVID-19 in IBD, even in immunosuppressed patients, is similar to that in the general population. Thus, there is no need for more strict protection measures in IBD.

Keywords
covid-19indexinfectioninflammatory bowel diseasesars-cov-2Covid-19DeterminantsInflammatory bowel diseaseSars-cov-2

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Journal of Clinical Medicine due to its progression and the good impact it has achieved in recent years, according to the agency Scopus (SJR), it has become a reference in its field. In the year of publication of the work, 2022, it was in position , thus managing to position itself as a Q1 (Primer Cuartil), in the category Medicine (Miscellaneous).

From a relative perspective, and based on the normalized impact indicator calculated from World Citations provided by WoS (ESI, Clarivate), it yields a value for the citation normalization relative to the expected citation rate of: 1.1. This indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: ESI Nov 14, 2024)

This information is reinforced by other indicators of the same type, which, although dynamic over time and dependent on the set of average global citations at the time of their calculation, consistently position the work at some point among the top 50% most cited in its field:

  • Weighted Average of Normalized Impact by the Scopus agency: 2.5 (source consulted: FECYT Feb 2024)
  • Field Citation Ratio (FCR) from Dimensions: 6.95 (source consulted: Dimensions May 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-05-14, the following number of citations:

  • WoS: 6
  • Scopus: 11
  • Europe PMC: 7
  • OpenCitations: 9
Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-05-14:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 78.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 68 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 31.9.
  • The number of mentions on the social network X (formerly Twitter): 21 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.