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Table 1 Characteristics of the study population and clinical presentation upon admission

From: Submucosal hematoma: a new distinctive sign during emergency upper digestive endoscopy for ammonia ingestion

  Ammonia (N = 43)
Age (median [range], years) 49 [15–80]
Sex female (n,%) 23 (53.5)
Intent of ingestion (n,%)  
 Accidental  Voluntary  Unknown 17 (39.5) 25 (58.2) 1 (2.3)
Volume ingested (n,%)  
 < 150 ml  > 150 ml  Unknown 34 (79.0) 7 (16.3) 2 (4.7)
Extradigestive manifestations (n,%)  
 Oropharyngeal lesions  Clinical signs of severity 30 (69.8) 8 (18.6)
Endoscopic grade (n,%)  
 0  I  IIA  IIB  IIIA  IIIB 9 (20.9) 6 (14.0) 12 (27.9) 6 (14.0) 5 (11.6) 5 (11.6)
Submucosal hematoma (n,%) 15 (34.8)