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. 2021 Jul 30;60(19):3087–3092. doi: 10.2169/internalmedicine.6434-20

Table 2.

Breakdown of the Final Diagnoses Rendered in the COVID-ER.

Final diagnosis n (%)
Common cold 844 (33.0)
COVID-19 457 (17.9)
Gastroenteritis 236 (9.2)
No symptom/Sick contact 146 (5.7)
Urinary tract infection 96 (3.8)
Tonsillitis 75 (2.9)
Heat stroke 66 (2.6)
Bacterial pneumonia 53 (2.1)
Poisoning/Over dose 52 (2.0)
Cancer 36 (1.4)
Dermatological disease 33 (1.3)
Aspiration pneumoniae 32 (1.3)
Psychological disorder/Hyperventilation 31 (1.2)
Trauma 29 (1.1)
Seizure 27 (1.1)
Heart failure 22 (0.9)
Myocardial infarction/Angina 22 (0.9)
Stroke 22 (0.9)
Others 21 (0.8)
Migraine 20 (0.8)
Otolaryngological illness 18 (0.7)
Atypical pneumoniae 16 (0.6)
Biliary tract infection 15 (0.6)
Appendicitis/Diverticulitis 14 (0.6)
Asthma attack 14 (0.6)
Bacteremia 11 (0.4)
Epiglottitis 11 (0.4)
Gynecologic illness 11 (0.4)
Interstitial pneumonia 8 (0.3)
Acute hepatitis/Cirrhosis 7 (0.3)
Anaphylaxis 7 (0.3)
Bowel obstruction 7 (0.3)
COPD 7 (0.3)
Fungal/Viral pneumoniae 7 (0.3)
Peritonsillar abscess 7 (0.3)
Pneumothorax/Pneumomediastinum 7 (0.3)
Atrial fibrillation 6 (0.2)
Acute pancreatitis 5 (0.2)
Collagen vascular disease 5 (0.2)
Meningitis 5 (0.2)
Infectious endocarditis 4 (0.2)
Intestinal perforation 4 (0.2)
Lung abscess 4 (0.2)
Necrotizing fasciitis 4 (0.2)
Aortic dissection 3 (0.1)
Exanthema subitum 3 (0.1)
Hyperthyroidism 3 (0.1)
Pulmonary thromboembolism 3 (0.1)
Tuberculosis 3 (0.1)
AIDS 2 (0.1)
Anemia 2 (0.1)
Bacterial arthritis 2 (0.1)
Diabetic ketoacidosis 2 (0.1)
Gout 2 (0.1)
Kawasaki disease 2 (0.1)
Odontogenic infection 2 (0.1)
Adrenal insufficiency 1 (0)
Malignant syndrome 1 (0)
Total 2,555 (100)

AIDS: acquired immunodeficiency syndrome, COPD: chronic obstructive pulmonary disease, COVID-19: coronavirus disease 2019, COVID-ER: emergency room tailored specifically for patients with suspected or confirmed COVID-19