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. 2020 Jul 14;17(14):5062. doi: 10.3390/ijerph17145062

Table 2.

Studies reporting the atypical clinical presentation of COVID-19.

Author [Ref.] Country N° Patients Males
N° (%)
Age, Years Median (Range) Evidence
Gastro-intestinal manifestations
Guan WJ, et al. [21] China 1099 640 (58.1%) 47 (35–58) 55 (5.0%) nausea or vomiting
42 (3.8%) diarrhea
Chen N, et al. [25] China 99 67 (68%) 55 (21–82) 43 (43%)liver function abnormality
Huang C, et al. [26] China 41 30 (73%) 49 (IQR 41–58) 1 (3%) diarrhea
Pan L, et al. [31] China 204 107 (52%) 52.9 ± 16 103 (50.5%) digestive symptom
81 (78.6%) lack of appetite35 (34%) diarrhea
4 (3.9%) vomiting
2 (1.9%) abdominal pain
Cardio-vascular manifestations
Chen C, et al. [35] China 41 30 (73%) N/A 5 (12%) acute cardiac injury
Wang D, et al. [36] China 138 75 (54.3%) 56 (22–92) 10 (7.2%) acute cardiac injury
Zhang L, et al. [38] China 343 169 (49.7%) 68 (18–92) 67 (19%) D-dimer levels over 2.0 µg/mL
Han H, et al. [39] China 94 cases
40 controls
48 (51%) cases
28 (70%) in the control group
N/A D-dimer (10.36 vs. 0.26 ng/L; p < 0.001), and FDP (33.83 vs. 1.55 mg/L; p < 0.001) were higher in case than in control group
Dermatological manifestations
Recalcati S, et al. [40] Italy 88 N/A N/A 18 (20%) cutaneous manifestation
14 (77%) erythematous rash
3 (16%) widespread urticaria
1 (5.5%) chickenpox-like vesicles
Neurological manifestations
Mao L, et al. [42] China 214 87 (40.7%) 52.7 (SD 15.5) 78 (36.4%) neurologic symptoms (more common in patients with severe infection (45.5%)
36 (16.8%) dizziness
28 (13.1%) headache
12 (5.6%) taste impairment11 (5.1%) smell impairment
Helms J, et al. [44] France 58 N/A 63 (IQR, 37–65) 47(81%) neurologic findings