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. 2021 Apr 29;62(1):E13–E24. doi: 10.15167/2421-4248/jpmh2021.62.1.1680

Tab. II.

Clinical features of patients with SARS-CoV and SARS-CoV-2 infections.

Characteristics N. of
studies
SARS-CoV
% (95% CI)
N. of
studies
SARS-CoV-2
% (95% CI)
Patients, n. 17 3,365 71 23,280
Gender
      Male, n. (%) 17 1,360 (40.4) 67 6,530 (55.8)
      Female, n. (%) 17 2,005 (59.6) 67 5,179 (44.2)
Age group
      Children (<18 ys), n. (%) 4 92 (2.7) 15 807 (3.5)
      Adults/Older, n. (%) 14 3,273 (97.3) 55 22,374 (96.5)
Systemic/General symptoms
      Fever 17 87.90 (86.80-89.01) 71 58.9 (58.23-59.49)
      Fatigue/Malaise 17 49.18 (47.49-50.87) 71 8.91 (8.54-9.27)
      Chills 17 53.52 (51.84-55.21) 71 0.96 (0.84-1.09)
      Influenza-like 17 30.61 (29.05-32.17) 71 -
      Night sweats 17 11.80 (10.71-12.89) 71 -
Respiratory, thoracic and mediastinal symptoms
      Cough 17 58.31 (56.64-59.97) 71 62.50 (61.87-63.12)
      Shortness of breath/Dyspnea 17 26.48 (24.99-27.97) 71 27.46 (26.89-28.03)
      Sputum production 17 26.54 (25.05-28.03) 71 7.32 (6,99-7,65)
      Rhinorrhea/Runny nose 17 2.97 (2.40-3.55) 71 4.90 (4.62-5.18)
      Sore throat 17 21.63 (20.24-23.03) 71 3.69 (3.45-3.94)
      Acute respiratory distress 17 - 71 0.77 (0.41-0.88)
      Nasal congestion/Stuffy nose 17 - 71 0.55 (0.46-0.65)
      Chest pain 17 1.84 (1.39-2.30) 71 0.34 (0.26-0.41)
      Pharyngeal erythema 17 - 71 0.34 (0.26-0.41)
      Chest distress 17 - 71 0.31 (0.24-0.38)
      Haemoptysis 17 0.68 (0.41-0.96) 71 0.30 (0.23-0.37)
      Tachypnea 17 1.58 (1.15-2.00) 71 0.22 (0.16-0.28)
      Voice hoarse 17 - 71 0.06 (0.03-0.10)
      Coryza 17 15.75 (14.52-16.98) 71 0.03 (0.01-0.05)
      Oropharyngeal pain 17 - 71 0.004 (0.00-0.01)
      Rhonchi 17 1.10 (0.75-1.45) 71 -
      Percussion dullness 17 0.21 (0.05-0.36) 71 -
      Pleurisy 17 0.09 (0.00-0.19) 71 -
      Wheezing 17 0.03 (0.00-0.09) 71 -
Cardiovascular symptoms
      Cardiac injury 17 - 71 0.12 (0.07-0.16)
      Palpitation 17 2.91 (2.34-3.48) 71 0.12 (0.08-0.17)
      Tachycardia 17 1.96 (1.49-2.34) 71 0.03 (0.01-0.06)
      Shock 17 - 71 0.02 (0.00-0.04)
Gastrointestinal symptoms
      Diarrhea 17 19.82 (18.47-21.17) 71 18.52 (18.12-19.12)
      Abdominal pain 17 5.65 (4.87.6.43) 71 6.51 (6.19-6.82)
      Vomiting 17 9.30 (8.32-10.28) 71 5.00 (4.72-5.28)
      Nausea 17 13.16 (12.02-14.31) 71 4.63 (4.36-4.90)
      Anorexia 17 24.07 (22.63-25.52) 71 1.40 (1.25-1.56)
      Dehydration 17 - 71 0.03 (0.01-0.05)
Neurological symptoms
      Headache 17 44.40 (42.72-46.08) 71 32.48 (31.88-33.08)
      Ageusia 17 - 71 1.89 (1.72-2.07)
      Dizziness 17 20.48 (19.11-21.84) 71 0.37 (0.30-0.45)
      Anosmia 17 - 71 0.34 (0.26-0-41)
      Impaired consciousness 17 - 71 0.27 (0.20-0.33)
      Agitation 17 - 71 0.17 (0.12-0.23)
      Corticospinal tract signs 17 - 71 0.17 (0.11-0.22)
      Dysexecutive syndrome 17 - 71 0.06 (0.03-0.09)
      Perfusion abnormalities 17 - 71 0.05 (0.02-0.08)
      Acute cerebrovascular disease 17 - 71 0.04 (0.01-0.06)
      Guillain-Barré syndrome (GBS) 17 - 71 0.03 (0.01-0.05)
      Leptomeningeal enhancement 17 - 71 0.03 (0.01-0.06)
      Nerve pain 17 - 71 0.02 (0.00-0.04)
      Seizure 17 0.03 (0.00-0.09) 71 0.01 (0.00-0.03)
      Ataxia 17 - 71 0.004 (0.00-0.013)
      Miller Fisher Syndrome 17 - 71 0.004 (0.00-0.013)
      Polyneuritis cranialis 17 - 71 0.004 (0.00-0.013)
      Anxiety 17 0.03 (0.00-0.09) 71 -
Kidney symptoms
      Dialysis 17 - 71 0.15 (0.10-0.21)
      Kidney injury 17 . 71 0.11 (0.07-0.15)
Musculoskeletal and connective symptoms
      Myalgia/arthralgia 17 40.62 (38.96-42.28) 71 35.62 (35.00-36.23)
      Hypodynamia 17 - 71 0.25 (0.19-0.32)
      Back discomfort 17 - 71 0.01 (0.00-0.03)
      Rigor 17 19.17 (17.84-20.50) 71 -
      Neck pain 17 0.09 (0.00-0.19) 71 -
Skin and subcutaneous tissue symptoms
      Itch 17 - 71 0.91 (0.79-1.04)
      Maculopapular rash 17 - 71 0.76 (0.64-0.87)
      Urticaria 17 - 71 0.33 (0.25-0.40)
      Pseudo-chilblains 17 - 71 0.30 (0.23-0.38)
      Chickenpox-like vesicles 17 - 71 0.15 (0.10-0.20)
      Pain 17 - 71 0.14 (0.09-0.19)
      Livedo/necrosis 17 - 71 0.09 (0.05-0.13)
      Erythematous rash 17 - 71 0.07 (0.04-0.25)
      Burning 17 - 71 0.09 (0.06-0.13)
      Rash 17 00.3 (0.00-0.09) 71 0.02 (0.00-0.04)
      Cyanosis 17 - 71 0.004 (0.00-0.013)
Eye symptoms
      Conjunctival congestion 17 - 71 0.05 (0.02-0.08)
      Vision impairment 17 - 71 0.01 (0.00-0.03)
Hepatic symptoms
      Liver injury 17 - 71 0.37 (0.29-0.45)
Comorbidities and risk factor
Characteristics N. of
studies
SARS-CoV
% (95% CI)
N. of
studies
SARS-CoV-2
% (95% CI)
Patients, n. 17 3,365 72 26,650
Gender
      Male, n. (%) 17 1,360 (40.4) 68 15,163 (58.3)
      Female, n. (%) 17 2,005 (59.6) 68 10,860 (41.7)
Cardiovascular diseases 17 0.12 (0.00-0.24) 72 11.28 (10.90-11.66)
Hypertension 17 0.03 (0.00-0.09) 72 21.00 (20.51-21.49)
Cardiac arrhythmia 17 - 72 1.14 (1.01-1.27)
Coronary artery disease 17 - 72 6.43 (6.13-6.72)
Congestive heart failure 17 - 72 2.29 (2.11-2.47)
Cerebrovascular disease 17 0.03 (0.00-0.09) 72 0.89 (0.78-1.01)
Respiratory system diseases 17 - 72 0.58 (0.49-0.67)
Asthma 17 - 72 2.26 (2.08-2.44)
COPD 17 0.09 (0.00-0.19) 72 2.57 (2.38-2.76)
Chronic lung disease 17 - 72 0.81 (0.71-0.92)
Nervous system disease 17 - 72 0.36 (0.29-0.43)
Chronic kidney disease 17 0.06 (0.00-0.14) 72 2.02 (1.85-2.19)
End-stage kidney disease 17 - 72 0.70 (0.60-0.80)
Chronic liver disease 17 0.09 (0.00-0.19) 72 0.67 (0.57-0.67)
Cirrhosis 17 - 72 0.15 (0.10-0.20)
Hepatitis B 17 - 72 0.14 (0.10-0.19)
Hepatitis C 17 - 72 0.01 (0.00-0.02)
Tuberculosis 17 - 72 0.04 (0.02-0.07)
Digestive system disease 17 - 72 0.54 (0.46-0.63)
Hyperlipidaemia 17 - 72 10.20 (9.84-10.56)
Hypercholesterolemia 17 - 72 0.71 (0.61-0.81)
Obesity 17 - 72 9.77 (9.41-10.13)
Diabetes 17 0.21 (0.05-0.36) 72 15.37 (14.93-15.80)
Endocrine system disease 17 - 72 0.51 (0.42-0.60)
Rheumatologic disease 17 - 72 0.02 (0.00-0.04)
Immunosuppression 17 - 72 1.09 (0.96-1.21)
HIV infection 17 - 72 0.18 (0.13-0.23)
Transplant 17 - 72 0.22 (0.16-0.27)
Blood disorder 17 - 72 0.04 (0.01-0.06)
Myelodysplastic syndrome 17 0.06 (0.00-0.14) 72 -
Malignancy 17 0.03 (0.00-0.09) 72 2.22 (2.04-2.39)
Allergic rhinitis 17 - 72 0.39 (0.32-0.47)
Hyoxemia 17 - 72 0.02 (0.00-0.03)
Pregnancy 17 - 72 0.03 (0.01-0.05)
Smoking 17 - 72 2.75 (2.55-2.95)
Prognosis
Characteristics N. of
studies
SARS-CoV-1
% (95% CI)
N. of
studies
SARS-CoV-2
% (95% CI)
Patients, n. 17 3,365 75 38,318
Gender
      Male, n. (%) 17 1,360 (40.4) 71 15,532 (58.1)
      Female, n. (%) 17 2,005 (59.6) 71 11,215 (41.9)
Prognosis
      Hospital admission 17 55.66 (53.98-57.34)* 73 91.60 (91.17-91.83)*
      Discharge 17 91.41 (90.46-92.36)* 65 52.53 (51.92-53.15)*
      Death 17 5.26 (4.51-6.01)* 72 7.80 (7.48-8.12)*

* At the time of writing reports; for clinical features: 4 studies do not report gender differences, 1 study do not report age group; for comorbidities: 4 studies do not report gender differences; for prognosis: 2 studies do not report hospital admission, 10 studies do not report discharge, 3 studies do not report death.