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Predictors of mortality in sarcoidosis: a nationwide cohort study from the SARCOGEAS registry

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22

 

  1. Parc Taulí Hospital Universitari, Institut d’Investigació i Innovació Parc Taulí (I3PT-CERCA), Universitat Autónoma de Barcelona, Internal Medicine, Sabadell, Barcelona, Spain.
  2. Parc Taulí Hospital Universitari, Institut d’Investigació i Innovació Parc Taulí (I3PT-CERCA), Universitat Autónoma de Barcelona, Internal Medicine, Sabadell, Barcelona, Spain.
  3. Hospital Clinic, Department of Autoimmune Diseases, ICMiD, Barcelona, Spain.
  4. Hospital Universitari Doctor Josep Trueta, Girona Biomedical Research Institute-IDIBGI, Internal Medicine, Girona, Spain.
  5. Hospital Universitario Central de Asturias (HUCA), Internal Medicine, Oviedo, Spain.
  6. Hospital Clínico, Internal Medicine, Zaragoza, Spain.
  7. Hospital Joan XXIII, Internal Medicine, Tarragona, Spain.
  8. Hospital Santa Caterina, Internal Medicine, Girona, Spain.
  9. Hospital de Cabueñes, Internal Medicine, Gijón, Spain.
  10. Hospital Universitario Ramón y Cajal, Internal Medicine, Madrid, Spain.
  11. Hospital CIMA Sanitas, Internal Medicine, Barcelona, Spain.
  12. Hospital Virgen del Rocío, Internal Medicine, Sevilla, Spain.
  13. Hospital Virgen de la Salud, Internal Medicine, Toledo, Spain.
  14. Hospital La Paz, Internal Medicine, Madrid, Spain.
  15. Althaia, Xarxa Assistencial de Manresa, Internal Medicine, Manresa, Spain.
  16. Hospital Gregorio Marañón, Internal Medicine, Madrid, Spain.
  17. Hospital Universitario de Salamanca-IBSAL, Internal Medicine, University of Salamanca, Spain.
  18. Hospital 12 de Octubre, Internal Medicine, Madrid, Spain.
  19. Hospital de Poniente, Internal Medicine, Almería, Spain.
  20. Hospital Infanta Leonor, Internal Medicine, Madrid, Spain.
  21. Hospital Clinic, Department of Autoimmune Diseases, ICMiD, Barcelona; and Universitat de Barcelona, Medicine, Barcelona, Spain.
  22. Hospital CIMA Sanitas, Internal Medicine, Barcelona, Spain. mbritozeron@gmail.com

on behalf of the SARCOGEAS-SEMI Registry

CER19957
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Received: 25/03/2026
Accepted : 11/05/2026
In Press: 22/06/2026

Abstract

OBJECTIVES:
Sarcoidosis is a systemic granulomatous disorder with variable prognosis. Mortality arises from both organ-specific and demographic factors, but reliable baseline predictors remain incompletely defined. We aimed to describe long-term survival and causes of death, and to identify demographic, radiological, and clinical predictors of mortality in national cohort of patients with sarcoidosis.
METHODS:
Retrospective multicentre cohort study within the Spanish SARCOGEAS registry. Adults diagnosed according to the ATS/ERS/WASOG criteria were consecutively enrolled across 36 hospitals. Demographic, clinical, and radiological variables were collected at baseline, including pulmonary involvement classified by the Scadding Scale and extrapulmonary disease defined by the WASOG criteria. The primary outcome was all-cause mortality. Survival was estimated with Kaplan-Meier analysis, and predictors were assessed using Cox regression.
RESULTS:
A total of 2,187 patients were included (48.6 ± 15.2 years; 61.4% women). Median follow-up was 5.93 years. Overall, 225 patients died (10.29%). Survival was 99.2% at 1 year, 88.3% at 10 years, 73.2% at 20 years. In multivariable Cox proportional hazards analysis, independent predictors of mortality were older age (HR 1.11, 95% CI 1.10–1.13), male sex (HR 1.75, 95% CI 1.31–2.35, p<0.001), Scadding stages II-IV (HRs 1.42–2.73), and cardiac involvement (HR 1.84, 95% CI 1.05–3.21, p=0.033). Extrathoracic lymphadenopathy was associated with lower risk (HR 0.63, 95% CI 0.43–0.91, p=0.016). Main causes of death were pulmonary (n=92, 40.9%), malignancies (n=47, 20.9%), extrapulmonary (n=39, 17.3%), cardiovascular (n=24, 10.7%), and other causes (n=23, 10.2%).
CONCLUSIONS:
n this nationwide, multicentre cohort, mortality was 10.29%. Mortality was independently associated with age, male sex, cardiac and pulmonary parenchymal involvement, while extrathoracic lymphadenopathy was linked to lower mortality.

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